Podcasts by Astronomy Cast

Ep. 701: Space Science We Look Forward to in the Next 700 Episodes from 2023-12-11T21:00

Astronomy Cast Ep. 701: Space Science We Look Forward to in the Next 700 Episodes by Fraser Cain & Dr. Pamela Gay Streamed live on Dec 4, 2023. Last week we looked back at some of the ideas that sc...

Ep. 700: The Things We Got Wrong from 2023-12-04T21:00

Astronomy Cast Ep. 700: The Things We Got Wrong by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 27, 2023. Astronomers talk about all the amazing discoveries they’re making but sometimes, it tu...

Ep. 699: Holiday Gift Giving Ideas for Astronomy and Space Fans from 2023-11-27T21:00

Astronomy Cast Ep. 699: Holiday Gift Giving Ideas for Astronomy and Space Fans by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 20, 2023. Just a warning, the holidays are rapidly approaching. I...

Ep. 698: Insights Into the Universe from 2023-11-20T21:00

Astronomy Cast Ep. 698: Insights Into the Universe by Fraser Cain & Dr. Pamela Gay From Nov 5, 2023. How the time flies. It’s been over a year since JWST went operational, with other missions joini...

Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond from 2023-11-13T21:00

Astronomy Cast Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond by Fraser Cain & Dr. Pamela Gay Streamed live November 4th, 2023.. Finally, we reach the end of our tour through ...

Ep. 696: Mission Roll Call Part 5: The Science at Mars from 2023-11-06T21:00

Astronomy Cast Ep. 696: Mission Roll Call Part 5: The Science at Mars by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 30, 2023. Another week, another review of space missions in the Solar Syst...

Ep. 695: Mission Roll Call Part 4: Lunar Exploration from 2023-10-30T20:00

Astronomy Cast Ep. 695: Mission Roll Call Part 4: Lunar Exploration by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 23, 2023. Our journey through missions continues, this time we focus on the ...

Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus from 2023-10-23T20:00

Astronomy Cast Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 16, 2023. Our journey through space missions continues. Now we move aw...

Ep. 693: Mission Roll Call Part 2: Looking Outward from Earth from 2023-10-16T20:00

Astronomy Cast Episode 693: Mission Roll Call, Part 2: Looking Outward from Earth by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 9, 2023. Last week, we brought you up to speed on the spacecra...

Ep. 692: Mission Roll Call Part 1: Earth Orbit from 2023-10-09T20:00

Astronomy Cast Ep. 692: Mission Roll Call Part 1: Earth Orbit by Fraser Cain & Dr. Pamela Gay It’s time for another series! This time we’re gonna look at the missions that’re currently in place acr...

Ep. 691: Jupiter’s Changing Red Spot from 2023-10-02T20:00

Astronomy Cast Ep. 691: Jupiter’s Changing Red Spot by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 25, 2023. Jupiter’s Great Red Spot is one of its most iconic features. First seen hundreds o...

Ep. 690: Climate on Mars - From Ice Caps to Dust Storms from 2023-09-25T20:00

Astronomy Cast Ep. 690: Climate on Mars - From Ice Caps to Dust Storms by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 18, 2023. We’ve looked at Earth’s changing climate, now let’s see what it...

Ep. 689 - Our Warming World: 20 Years of Climate Science from 2023-09-18T20:00

Astronomy Cast Ep. 689 - Our Warming World: 20 Years of Climate Science by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 11, 2023. It’s official! June and July were the warmest we’ve seen since...

Hiatus Message from 2023-07-10T20:00

Astronomy Cast - Hiatus Message by Fraser Cain & Dr. Pamela Gay Once again, we’ve reached the end of a season here on Astronomy Cast, and it’s time for the summer hiatus. See you in September!

Ep. 688: What’s Next? Looking Ahead to Season 17 from 2023-07-03T20:00

Astronomy Cast Ep. 688: What’s Next? Looking Ahead to Season 17 by Fraser Cain & Dr. Pamela Gay Streamed live on Jun 26, 2023. Once again, we’ve reached the end of a season here on Astronomy Cast, ...

Ep. 687: Prepping for the Moon from 2023-06-27T02:50:51

Astronomy Cast Ep. 687: Prepping for the Moon by Fraser Cain & Dr. Pamela Gay We’re going back to the Moon. In the next few years humans will set foot on the Moon again, ideally this time to stay. ...

Ep. 686: Ice In The Shadows from 2023-06-19T20:00

Astronomy Cast Ep. 686: Ice In The Shadows by Fraser Cain & Dr. Pamela Ga Streamed live on Jun 12, 2023. The permanently shadowed craters on the Moon are the focus of so much research. That’s becau...

Ep. 685: Manufacturing In Space from 2023-06-12T20:00

Astronomy Cast Ep. 685: Manufacturing In Space by Fraser Cain & Dr. Pamela Gay Streamed live on Jun 5, 2023. Launching satellites from Earth is counter-productive. You’ve got to make a satellite th...

Ep. 684: Too Big, Too Soon: Massive Early Galaxies Defy Expectations from 2023-06-05T20:00

Astronomy Cast Ep. 684: Too Big, Too Soon: Massive Early Galaxies Defy Expectations by Fraser Cain & Dr. Pamela Gay Streamed live on May 29, 2023. One of JWST’s top jobs is to peer deeper into the ...

Ep. 683: Cosmic Dawn from 2023-05-29T20:00

Astronomy Cast Ep. 683: Cosmic Dawn by Fraser Cain & Dr. Pamela Gay Streamed live on May 22, 2023. After the cosmic microwave background radiation was released, the Universe returned to darkness, c...

Ep. 682: Ultra-Diffuse Galaxies&Dark Matter from 2023-05-22T20:00

Astronomy Cast Ep. 682: Ultra-Diffuse Galaxies & Dark Matter by Fraser Cain & Dr. Pamela Ga Streamed live on May 15, 2023. Astronomers first noticed the strange behaviors of rotating galaxies almos...

Ep. 681: Kilonovae from 2023-05-15T20:00

Astronomy Cast Ep. 681: Kilonovae by Fraser Cain & Dr. Pamela Gay Streamed live on May 7, 2023. In 2017, astronomers detected the gravitational waves and electromagnetic radiation from colliding ne...

Ep. 680: Rogue Black Holes from 2023-05-08T20:00

Astronomy Cast Ep. 680: Rogue Black Holes by Fraser Cain & Dr. Pamela Gay Streamed live on May 1, 2023. Last week we talked about rogue stars. This week we’re going to take things up a notch and ta...

Ep. 679: High(per) Velocity Stars from 2023-05-01T20:00

Astronomy Cast Ep. 679: High(per) Velocity Stars by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 24, 2023. Most stars in the Milky Way are trapped in here with us, doomed to orbit around and a...

Ep. 678: World Building: Planet Formation, Growth&Ejection from 2023-04-24T20:00

Astronomy Cast Ep. 678: World Building: Planet Formation, Growth & Ejection by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 17, 2023. Okay sci-fi writers, today we’re going to give you a guide...

Ep. 677: The Answer is Always Dust from 2023-04-17T20:00

Astronomy Cast Ep. 677: The Answer is Always Dust by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 10, 2023. Whenever astronomers discover something surprising, the answer often turns out to be...

Ep. 676: Other Things With Rings from 2023-04-10T20:00

Astronomy Cast Ep. 676: Other Things With Rings by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 3, 2023. We’ve spent a lot of time gushing about Saturn’s rings, but there are other places with...

Ep. 675: Exotic Forms of Ice from 2023-04-03T20:00

Astronomy Cast Ep. 675: Exotic Forms of Ice by Fraser Cain & Dr. Pamela Gay Ice is ice, right? You know, what you get when water freezes. Well, maybe here on Earth. But across the Universe, water c...

Ep. 674: Asteroid Early Warning Systems from 2023-03-27T20:00

Astronomy Cast Ep. 674: Asteroid Early Warning Systems by Fraser Cain & Dr. Pamela Gay The asteroid apocalypse is one of those existential crises that keep astronomers up at night. But the DART mis...

Ep. 673: How to See Satellites (or Avoid Seeing Them) from 2023-03-20T20:00

Astronomy Cast Ep. 673: How to See Satellites (or Avoid Seeing Them) by Fraser Cain & Dr. Pamela Gay Streamed live on Mar 13, 2023. If you’re in dark skies and look up, you’re certain to see a sate...

Ep. 672: Space Debris Removal from 2023-03-13T20:00

Astronomy Cast Ep. 672: Space Debris Removal by Fraser Cain & Dr. Pamela Gay Streamed live on Mar 8, 2023. We’ve talked about the rising problem of space junk. Okay, we know it’s an issue. So what ...

Ep. 671: The Consequences to Breaking Space Laws from 2023-03-06T21:00

Astronomy Cast Ep. 671: The Consequences to Breaking Space Laws by Fraser Cain & Dr. Pamela Gay Streamed live on Mar 1, 2023. Last week we talked about the laws that govern space exploration. This ...

Ep. 670 - Governing Space: The 1967 Outer Space Treaty&More! from 2023-02-20T21:00

Astronomy Cast Ep. 670 - Governing Space: The 1967 Outer Space Treaty & More! by Fraser Cain & Dr. Pamela Ga Streamed live on Feb 13, 2023. The Universe was inaccessible for most of human history, ...

Ep. 669: Challenges to Dark Energy from 2023-02-13T21:00

Astronomy Cast Ep. 669: Challenges to Dark Energy by Fraser Cain & Dr. Pamela Gay Streamed live on Feb 6, 2023. It’s been over 20 years since astronomers first discovered that the expansion of the ...

Ep. 668: The Crisis In Cosmology from 2023-02-06T21:00

Astronomy Cast Ep. 668: The Crisis In Cosmology by Fraser Cain & Dr. Pamela Gay Streamed live on Jan 30, 2023. Astronomers have made extremely accurate measurements of the expansion rate of the Uni...

Ep. 667: JWST First Science from 2023-01-30T21:00

Astronomy Cast Ep. 667: JWST First Science by Fraser Cain & Dr. Pamela Gay Streamed live on Jan 23, 2023. Astronomers came together in January to present their newest research. And not surprisingly...

Ep. 666: Solar System References to the Underworld from 2023-01-23T21:00

  Sign up through to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name!   Streamed live on Jan 17, 2023. Well, we did it. We made it to episode 666, an auspi...

Ep. 665: The Age of Reionization from 2023-01-16T21:00

Astronomy Cast Ep. 665: The Age of Reionization by Fraser Cain & Dr. Pamela Gay The Cosmic Microwave Background Radiation tells us so much about the Universe. After that era, the Universe went dark...

Ep. 664: The First Stars from 2023-01-09T21:00

Astronomy Cast Ep. 664: The First Stars by Fraser Cain & Dr. Pamela Gay This show is sponsored by BetterHelp.  Visit today to get 10% off your first month.   The Sun is a third-generation star, po...

Ep. 663: End of Year Observing Events from 2022-12-19T21:00

Astronomy Cast Ep. 663: End of Year Observing Events by Fraser Cain & Dr. Pamela Gay We generally save our stargazing suggestions for the summer, when it’s warmer in the northern hemisphere. But yo...

Ep. 662 - Looking Ahead at New and Recycled Missions from 2022-12-12T21:00

Astronomy Cast Ep. 662 - Looking Ahead at New and Recycled Missions by Fraser Cain & Dr. Pamela Gay Last week we talked about the missions we’re saying goodbye to. This week, we’re going to talk ab...

Ep. 660: Runaway! Runaway! Escaping Stars, Planets&Small Bodies from 2022-11-28T21:00

Astronomy Cast Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies by Fraser Cain & Dr. Pamela Gay Moons orbit planets, planets orbit stars, stars orbit within galaxies. It’s orbits a...

Ep. 659: Clear Skies, Bright Satellites from 2022-11-14T21:00

Astronomy Cast Ep. 659: Clear Skies, Bright Satellites by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 8, 2022. Light pollution is big problem and it’s only getting worse. Not just near cities...

Ep. 658: Space Exploration Horror Stories from 2022-11-07T21:00

Astronomy Cast Ep. 658: Space Exploration Horror Stories by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 31, 2022. We’re recording this episode on Halloween, so how could we resist but take ad...

Ep. 657: Astronomical Naming Schemes from 2022-10-17T20:00

Astronomy Cast Ep. 657: Astronomical Naming Schemes by Fraser Cain & Dr. Pamela Gay Space is a big place, with lots of galaxies, stars, planets, moons, and that means a lot of names. So how do astr...

Ep. 656: Smashing Asteroids for Science! from 2022-10-10T20:00

Astronomy Cast Ep. 656: Smashing Asteroids for Science! by Fraser Cain & Dr. Pamela Gay Streamed live Oct 3rd. This week we saw the incredible image of DART smashing into asteroid Dimorphous. Beyon...

Ep. 655: 65 Years of Space: Sputnik 1 Anniversary from 2022-10-03T20:00

Astronomy Cast Ep. 655: 65 Years of Space: Sputnik 1 Anniversary by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 26, 2022. It’s been about 65 years since the Soviets launched the first orbital...

Ep. 654: The Side Effects Of Clean Energy from 2022-09-26T20:00

Astronomy Cast Ep. 654: The Side Effects Of Clean Energy by Fraser Cain & Dr. Pamela Gay To battle climate change, we’ll need to rapidly move to carbon-free sources of energy. But this technology i...

Ep. 653: Climate Change: Looking at the Variables from 2022-09-19T20:00

Astronomy Cast Ep. 653: Climate Change: Looking at the Variables by Fraser Cain & Dr. Pamela Gay Climate change is on our mind these days with increasing wildfires, droughts and floods. What are th...

Ep. 652: The Rocket Race Towards Reusability from 2022-09-12T20:00

Astronomy Cast Ep. 652: The Rocket Race Towards Reusability by Fraser Cain & Dr. Pamela Gay Last week we talked about how single-use rocketry has changed over time, and the role it still plays in l...

Ep. 651: Artemis&The Decline of Single Use Rockets from 2022-09-07T20:00

Astronomy Cast Ep. 651: Artemis & The Decline of Single Use Rockets by Fraser Cain & Dr. Pamela Gay Season 16 opener. On the day that we’re recording this, NASA’s Space Launch System is about to bl...

Ep. 650: Did JWST Work? from 2022-07-20T02:12:24

Astronomy Cast Ep. 650: Did JWST Work? by Fraser Cain & Dr. Pamela Gay Sign up through to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name! Well, this is it...

Ep. 649: Highlights From NASA’s Holiday Ruining History from 2022-07-11T20:00

Astronomy Cast Ep. 649: Highlights From NASA’s Holiday Ruining History by Fraser Cain & Dr. Pamela Gay Have you ever noticed that significant space and astronomy events seem to happen during the ho...

Ep. 648: Summer Observing from 2022-07-04T20:00

Astronomy Cast Ep. 648: Summer Observing by Fraser Cain & Dr. Pamela Gay Summer is officially, astronomically here, and for the folks in the northern hemisphere that means it’s a perfect time to he...

Ep. 647: Best Sci Fi Beach Reading from 2022-06-27T20:00

Astronomy Cast Ep. 647: Best Sci Fi Beach Reading by Fraser Cain & Dr. Pamela Gay Summer’s here! And that means finally tackling that huge list of books piled up on your bedside table and filling u...

Ep. 646: Our Long Term Future in Space from 2022-06-20T20:00

Astronomy Cast Ep. 646: Our Long Term Future in Space by Fraser Cain & Dr. Pamela Gay We always say that we're living in golden age of space and astronomy, but it feels like things are just acceler...

Ep. 645: The Future of the ISS from 2022-06-13T20:00

Astronomy Cast Ep. 645: The Future of the ISS by Fraser Cain & Dr. Pamela Gay The International Space Station has been continuously inhabited for over 20 years now, serving as a peaceful collaborat...

Ep. 644: Is Earth… Normal? from 2022-05-30T20:00

Astronomy Cast Ep. 644: Is Earth… Normal? by Fraser Cain & Dr. Pamela Gay We've now discovered thousands of exoplanets, we're learning more and more about the kinds of planetary systems there are o...

Ep. 643: Sagittarius A* from 2022-05-17T11:00

Astronomy Cast Ep. 643: Sagittarius A* by Fraser Cain & Dr. Pamela Gay All the waiting is over, we've finally seen the image of the event horizon from the supermassive black hole at the heart of th...

Ep. 642: Is the Sun... Normal? from 2022-05-16T20:00

Astronomy Cast Ep. 642: Is the Sun... Normal? by Fraser Cain & Dr. Pamela Gay We've always assumed that we lived in a perfectly normal star system with a normal star and normal planets. It's all......

Ep. 641: Can Planets Be Alive? from 2022-05-09T20:00

Astronomy Cast Ep. 641: Can Planets Be Alive? by Fraser Cain & Dr. Pamela Gay The Earth is teeming with life, but the upper atmosphere to kilometers underground. There's no question that our planet...

Ep. 640: Survey Science: Newest Projects&Results from 2022-05-02T20:00

Astronomy Cast Ep. 640: Survey Science: Newest Projects & Results by Fraser Cain & Dr. Pamela Gay There are general-purpose telescopes and missions that astronomers can use to study specific object...

Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc. from 2022-04-18T20:00

Astronomy Cast Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc. by Fraser Cain & Dr. Pamela Gay Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some o...

Ep. 638: Simulating Space Missions from 2022-04-11T20:00

Astronomy Cast Ep. 638: Simulating Space Missions by Fraser Cain & Dr. Pamela Gay Although humans have never actually been to Mars, explorers have simulated many aspects of Mars missions here on Ea...

Ep. 637: Machine Learning in Astronomy from 2022-04-04T20:00

Astronomy Cast Ep. 637: Machine Learning in Astronomy by Fraser Cain & Dr. Pamela Gay Computers are a big part of astronomy, but mostly they've been relegated to doing calculations. But recent deve...

Ep. 636: Blowing Bubbles from 2022-03-28T20:00

Astronomy Cast Ep. 636: Blowing Bubbles by Fraser Cain & Dr. Pamela Gay We think of space as a vacuum, but there are regions of different density. There are winds blowing from stars and other objec...

Ep. 635: Jets: When Magnetic Fields Fling Things from 2022-03-21T20:00

Astronomy Cast Ep. 635: Jets: When Magnetic Fields Fling Things by Fraser Cain & Dr. Pamela Gay As astronomers look out across the Universe. They see various objects spewing jets of material light ...

Ep. 634: Milky Way’s Mergers&Acquisitions from 2022-03-14T20:00

Astronomy Cast Ep. 634: Milky Way’s Mergers & Acquisitions by Fraser Cain & Dr. Pamela Gay The Milky Way is a vast grand spiral today, but how did it get this way? Astronomers are starting to unrav...

Ep. 633: Weirdly Habitable Places from 2022-03-07T21:00

Astronomy Cast Ep. 633: Weirdly Habitable Places by Fraser Cain & Dr. Pamela Gay We've always assumed that habitable planets would need to be like Earth; a terrestrial planet orbiting a sunlike sta...

Ep. 632: Building Images: Optical vs Radio from 2022-02-28T21:00

Astronomy Cast Ep. 632: Building Images: Optical vs Radio by Fraser Cain & Dr. Pamela Gay A recent image from the South African MeerKAT Telescope blew our minds. It was a high resolution image of t...

Ep. 631: All The Uses Of Pulsars (Including Murder) from 2022-02-21T21:00

Astronomy Cast Ep. 631: All The Uses Of Pulsars (Including Murder) by Fraser Cain & Dr. Pamela Gay Pulsars are the rapidly spinning degenerate husks of dead stars, turning hundreds of times a secon...

Ep. 630: Things We Can Look Forward To from 2022-02-14T21:00

Astronomy Cast Ep. 630: Things We Can Look Forward To by Fraser Cain & Dr. Pamela Gay In a rare moment of weakness, Pamela has decided she's open to the possibility that a future exists. That missi...

Ep. 629: The Cost of Delays from 2022-02-07T21:00

Astronomy Cast Ep. 629: The Cost of Delays by Fraser Cain & Dr. Pamela Gay With all the success of James Webb so far, it's looking like science's huge gamble is going to pay off, but there were yea...

Ep. 628: The Sun Revisited from 2022-01-31T21:00

Astronomy Cast Ep. 628: The Sun Revisited by Fraser Cain & Dr. Pamela Gay Once again, it's time to take a look at the Sun. You know, the ongoing thermonuclear explosion of fusing hydrogen that's ri...

Ep. 627: Mercury Revisited from 2022-01-17T21:00

Astronomy Cast Ep. 627: Mercury Revisited by Fraser Cain & Dr. Pamela Gay It’s been about a thousand years since since we last looked at Mercury. So we figured it’s time for an update. What new thi...

Ep. 626: Terrestrial Planets - Mercury, Venus, Earth&Mars from 2022-01-10T21:00

Astronomy Cast Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars by Fraser Cain & Dr. Pamela Gay We continue our refreshed tour of the solar system, checking in on the inner terrestrial p...

Ep. 625: End of the Year Review from 2021-12-20T21:00

Astronomy Cast Ep. 625: End of the Year Review by Fraser Cain & Dr. Pamela Gay We've reached the end of 2021 and this is the last episode of the year. Let's look back at the big space events of the...

Ep. 624: Small Rocky Bodies (Including Phobos&Deimos) from 2021-12-13T21:00

Astronomy Cast Ep. 624: Small Rocky Bodies (Including Phobos & Deimos) by Fraser Cain & Dr. Pamela Gay We've talked about the icy objects of the Solar System, today let's talk about space rocks. Th...

Ep. 623: NEOs: Concern or Nah from 2021-12-06T21:00

Astronomy Cast Ep. 623: NEOs: Concern or Nah by Fraser Cain & Dr. Pamela Gay Are asteroids dangerous? Well, just ask the dinosaurs and they’ll tell you a sad story of fiery death. It turns out we’r...

Ep. 622: Rockier Moons&Giant Asteroids from 2021-11-29T21:00

Astronomy Cast Ep. 622: Rockier Moons & Giant Asteroids by Fraser Cain & Dr. Pamela Gay So a rock is a rock is a rock. Right? Across the solar system there are giant rocky asteroids and even “giant...

Ep. 621: Gas Giants from 2021-11-22T21:00

Astronomy Cast Ep. 621: Gas Giants by Fraser Cain & Dr. Pamela Gay For the longest time the only gas giant planets that we knew about were Jupiter and Saturn. But now, in the age of extrasolar plan...

Ep. 620: Why Getting to the Outer Worlds is So Difficult from 2021-11-15T21:00

Astronomy Cast Ep. 620: Why Getting to the Outer Worlds is So Difficult by Fraser Cain & Dr. Pamela Gay Good News! Over the next few years we’re gonna see a flotilla of new missions headed to Jupit...

Ep. 619: Icy Moons&Dwarf Planets from 2021-11-08T21:00

Astronomy Cast Ep. 619: Icy Moons & Dwarf Planets by Fraser Cain & Dr. Pamela Gay The outer Solar System is far enough from the Sun that water doesn't get blasted away into deep space. In this icy ...

Ep. 618: Ice Giants from 2021-11-01T20:00

Astronomy Cast Ep. 618: Ice Giants by Fraser Cain & Dr. Pamela Gay So we’re learning more & more about the outer planets of the solar system. Uranus & Neptune are Ice Giants, filled with water and ...

Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science from 2021-10-30T20:00

Astronomy Cast Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science by Fraser Cain & Dr. Pamela Gay Funding for basic science has always been tricky business, coming mainly from universities, g...

Ep. 616: Hangout-A-Thon Episode 1 - The Great Observatories from 2021-10-29T20:00

Astronomy Cast Ep. 616: Hangout-A-Thon Episode 1 - The Great Observatories by Fraser Cain & Dr. Pamela Gay Well, you’re familiar with the Hubble Space Telescope of course, but it’s just one of NASA...

Ep. 615: Planet 9 from 2021-10-18T20:00

Astronomy Cast Ep. 615: Planet 9 by Fraser Cain & Dr. Pamela Gay After Pluto lost its planethood we were down to 8 planets. But there’s growing evidence of another world or worlds out beyond the or...

Ep. 614: Centaurs, Comets&Asteroids from 2021-10-11T20:00

Astronomy Cast Ep. 614: Centaurs, Comets & Asteroids by Fraser Cain & Dr. Pamela Gay So there are asteroids, and there are comets. But there’s an entirely separate class of objects called centaurs....

Ep. 613: Pluto’s Demotion: 15 Years Later from 2021-10-04T20:00

Astronomy Cast - Ep. 613: Pluto’s Demotion: 15 Years Later by Fraser Cain & Dr. Pamela Gay It's been 15 years since Pluto was kicked out of the planet club. It also happens to be the topic of our v...

Ep. 612: Hiatus Message from 2021-07-12T20:00

Astronomy Cast Ep. 612: Hiatus Message by Fraser Cain & Dr. Pamela Gay Fraser & Pamela will return in early September with more episodes of Astronomy Cast. We hope you all have a safe, relaxing and...

Ep. 612: The SETI Renaissance from 2021-07-05T20:00

Astronomy Cast Ep. 612: The SETI Renaissance by Fraser Cain & Dr. Pamela Gay Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by ob...

Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition from 2021-06-28T20:00

Astronomy Cast Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition by Fraser Cain & Dr. Pamela Gay Last week we talked about what it's going to take to confirm basic biological li...

Ep. 610: What is Required to Confirm Alien Life: Non-Sentient Edition from 2021-06-21T20:00

Astronomy Cast Ep. 610: What is Required to Confirm Alien Life: Non-Sentient Edition by Fraser Cain & Dr. Pamela Gay Are we alone in the Universe? It's one of the biggest scientific questions we ca...

Ep. 609: Volcanos With Benefits: Lava Tubes, Hydro Thermal Vents&More from 2021-06-14T20:00

Astronomy Cast Ep. 609: Volcanos With Benefits: Lava Tubes, Hydro Thermal Vents & More by Fraser Cain & Dr. Pamela Gay Volcanos can be some of the worst natural disasters that we can experience her...

Ep. 608: NASA Perseverance, The First 100 Days from 2021-06-07T20:00

Astronomy Cast Ep. 608: NASA Perseverance, The First 100 Days by Fraser Cain & Dr. Pamela Gay As you all know, Pamela refuses to talk about any missions which aren't actually doing science. Well, P...

Ep. 607: InSight and Earthquakes from 2021-05-31T20:00

Astronomy Cast Ep. 607: InSight and Earthquakes by Fraser Cain & Dr. Pamela Gay Mars is cold and dead today, but the massive volcanoes tell us what the planet used to be like, millions and even bil...

Ep. 606 - Time Dilation: Skipping Thru Time from 2021-05-24T20:00

Astronomy Cast Ep. 606 - Time Dilation: Skipping Thru Time by Fraser Cain & Dr. Pamela Gay Have you ever wanted to be a time traveler? Well, good news! You're time traveling right now. Into the fut...

Ep. 605: Sounding Rockets from 2021-05-17T20:00

Astronomy Cast Ep. 605: Sounding Rockets by Fraser Cain & Dr. Pamela Gay Last week we talked about balloon-based astronomy. This week we're gonna talk about putting telescopes on rockets and making...

Ep. 604: Balloon Astronomy from 2021-05-10T20:00

Astronomy Cast Ep. 604: Balloon Astronomy by Fraser Cain & Dr. Pamela Gay So when you think about the world's observatories, I'm sure you're imagining huge telescopes perched atop mountain peaks or...

Ep. 603: New Colors of the Radio Spectrum from 2021-05-03T20:00

Astronomy Cast Ep. 603: New Colors of the Radio Spectrum by Fraser Cain & Dr. Pamela Gay Last week we talked about how new telescopes and techniques are allowing astronomers to explore the shortest...

Ep. 602: The New Colors of Gamma Rays - Getting Shorter from 2021-04-26T20:00

Astronomy Cast Ep. 602: The New Colors of Gamma Rays - Getting Shorter by Fraser Cain & Dr. Pamela Gay The Earth's atmosphere protects us from a Universe that is definitely trying to kill us. But i...

Ep. 601: Unexpected Light Pollution from 2021-04-19T20:00

Astronomy Cast Ep. 601: Unexpected Light Pollution by Fraser Cain & Dr. Pamela Gay Day-by-day we're loosing our connection with the night sky. Already one third of humanity lives in so much light p...

Ep. 600: Looking Ahead from 2021-03-29T20:00

Astronomy Cast Ep. 600: Looking Ahead by Fraser Cain & Dr. Pamela Gay Today we are gonna gaze into the future of space and astronomy. What upcoming missions & events are we excited about?

Ep. 599: Zodiacal Light from 2021-03-22T20:00

Astronomy Cast Ep. 599: Zodiacal Light by Fraser Cain & Dr. Pamela Gay Pamela has told us in the most flowery terms about the diffuse dust across the inner solar system left over from the formation...

Ep. 598: How You Could Overturn Cosmology from 2021-03-15T20:00

Astronomy Cast Ep. 598: How You Could Overturn Cosmology by Fraser Cain & Dr. Pamela Gay You've probably heard of dark matter and dark energy, but maybe you don't fully understand what they are. Or...

Ep. 597: The Expansion of the Universe from 2021-03-08T21:00

Astronomy Cast Ep. 597: The Expansion of the Universe by Fraser Cain & Dr. Pamela Gay It's been a while since we checked to make sure the Universe was still expanding. Yeah, apparently, that's stil...

Ep. 596: The Universe’s Background Noise from 2021-03-01T21:00

Astronomy Cast Ep. 596: The Universe’s Background Noise by Fraser Cain & Dr. Pamela Gay You might be familiar with the cosmic microwave background, but that's just one of the background radiations ...

Ep. 595: Planet Hunting - Revisited from 2021-02-15T21:00

Astronomy Cast Ep. 595: Planet Hunting - Revisited by Fraser Cain & Dr. Pamela Gay This is gonna be another one of those evergreen topics where we come back again and again. Finding planets. Every ...

Ep. 594: Juno - Primary Mission Highlights from 2021-02-08T21:00

Astronomy Cast Ep. 594: Juno - Primary Mission Highlights by Fraser Cain & Dr. Pamela Gay Pamela is always loath to talk about spacecraft until the mission's in space and the science is rolling. NA...

Ep. 593: Stellar Parasites from 2021-02-01T21:00

Astronomy Cast Ep. 593: Stellar Parasites by Fraser Cain & Dr. Pamela Gay Stars often come in groups of 2 or more. And if they're orbiting close enough to each other one star can feast on the other...

421: Space Games! from 2021-01-31T22:10:42.023393

Astronomy Cast 421: Space Games! by Fraser Cain & Dr. Pamela Gay

AstronomyCast 183: History of Astronomy | Pt. 1, The Ancient Astronomers from 2021-01-31T22:10:42.023393

AstronomyCast 183: History of Astronomy | Pt. 1, The Ancient Astronomers

Weekly Space Hangout - Jan 25 2013 from 2021-01-31T22:10:42.023393

Ep. 592: Gamma-Ray Bursts - Updated from 2021-01-25T21:00

Astronomy Cast Ep. 592: Gamma-Ray Bursts - Updated by Fraser Cain & Dr. Pamela Gay Some of the most powerful explosions in the Universe are gamma-ray bursts, capable of blasting a beam of death hal...

Ep. 591: What Are We Gonna Do With All That Space Junk? from 2021-01-18T21:00

Astronomy Cast Ep. 591: What Are We Gonna Do With All That Space Junk? by Fraser Cain & Dr. Pamela Gay Remember the good old days when there were only a few thousand living and dead satellites? Wel...

Ep. 590: Lunar Hazards: Dust, Radiation and More from 2021-01-11T21:00

Astronomy Cast Ep. 590: Lunar Hazards: Dust, Radiation and More by Fraser Cain & Dr. Pamela Gay 2024 can't come soon enough. You know, that's the year when humans will set foot on the Moon again. N...

Ep. 589 - Lunar Resources: Water (Update)&Other Volatiles from 2020-12-21T21:00

Astronomy Cast Ep. 589 - Lunar Resources: Water (Update) & Other Volatiles by Fraser Cain & Dr. Pamela Gay We've talked about the Moon and its water many times here on Astronomy Cast, but there've ...

Ep. 588 - Lunar Resources: Lava Tubes from 2020-12-14T21:00

Astronomy Cast Ep. 588 - Lunar Resources: Lava Tubes by Fraser Cain & Dr. Pamela Gay All eyes are on the Moon. We're going back, this time to stay, right? One of the best resources on the Moon will...

Ep. 587: The Artemis Accords from 2020-12-07T21:00

Astronomy Cast Ep. 587: The Artemis Accords by Fraser Cain & Dr. Pamela Gay So the Moon is about to become a very busy place with multiple countries and private companies planning missions in the n...

Ep. 586: Life As We Know It: Habitable Exoplanets&Extremophiles from 2020-11-30T21:00

Astronomy Cast Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles by Fraser Cain & Dr. Pamela Gay As scientists continue to explore the Earth, they're discovering life, surviving and...

Ep. 585: Super Earths, Mini-Neptunes&Gas Dwarfs from 2020-11-23T21:00

Astronomy Cast  585: Super Earths, Mini-Neptunes & Gas Dwarfs by Fraser Cain & Dr. Pamela Gay Astronomers are finding even more new extrasolar planets and they're starting to discover entirely new ...

Ep. 584: Sample Return Missions From Asteroids from 2020-11-02T21:00

Astronomy Cast Ep. 584: Sample Return Missions From Asteroids by Fraser Cain & Dr. Pamela Gay So with a sample of asteroid Bennu firmly inside OSIRIS-REx's return capsule, it's time to bring this t...

Ep. 583: The 2020 Nobel Prize in Physics from 2020-10-26T20:00

Astronomy Cast Ep. 583: The 2020 Nobel Prize in Physics by Fraser Cain & Dr. Pamela Gay This year's Nobel Prize in Physics was awarded to three brilliant researchers who worked out some of the secr...

Ep. 582: Building Bigger Black Holes from 2020-10-19T20:00

Astronomy Cast Ep. 582: Building Bigger Black Holes by Fraser Cain & Dr. Pamela Gay Did you hear the news? Nobel prizes for Black Holes! Now, we know there are stellar mass black holes and supermas...

Ep. 581: Other Kinds Of Novae from 2020-10-12T20:00

Astronomy Cast Ep. 581: Other Kinds Of Novae by Fraser Cain & Dr. Pamela Gay Don't ever accuse us of not comprehensively covering every kind of exploding star. This week we gather up all the left o...

Ep. 580: Exploding Dwarfs from 2020-10-05T20:00

Astronomy Cast Ep. 580: Exploding Dwarfs By Fraser Cain & Dr. Pamela Gay So you think that a white dwarf star is the end of a stellar life, and it's all downhill from there, a long, slow cool down ...

Ep. 579: White and Black Dwarf Stars from 2020-09-28T20:00

Astronomy Cast 579: White and Black Dwarf Stars by Fraser Cain & Dr. Pamela Gay I've got some bad news for you. Stars die. At some point in the next few billion years or so our Sun is going to star...

Ep. 578: Venus Updates - or - Life on Venus?!? from 2020-09-21T20:00

by Fraser Cain & Dr. Pamela Gay So have you heard the news? Of course you have. Evidence of phosphene on Venus. Which could be a biosignature of life on our evil twin planet. There have been a lot ...

Ep. 577: Mars in Opposition from 2020-09-14T20:00

Astronomy Cast 577: Mars in Opposition by Fraser Cain & Dr. Pamela Gay Every 2 years or so Mars lines up nicely with the Earth. It takes only 2 minutes to communicate with the rovers. You can see t...

Ep. 576: Summer Stargazing Special from 2020-06-29T20:00

Astronomy Cast Ep. 576: Summer Stargazing Special by Fraser Cain & Dr. Pamela Gay It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the nigh...

Ep. 575: Observing The Moon from 2020-06-22T20:00

Astronomy Cast Ep. 575: Observing The Moon by Fraser Cain & Dr. Pamela Gay As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, so...

Ep. 574: Trojan Asteroids from 2020-06-15T20:00

Astronomy Cast Ep. 574: Trojan Asteroids by Fraser Cain & Dr. Pamela Gay We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of aste...

Ep. 573: Exoplanet Atmospheres from 2020-06-08T20:00

Astronomy Cast Ep. 573: Exoplanet Atmospheres Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years awa...

Ep. 572: Twists in Planet Formation from 2020-06-01T20:00

Astronomy Cast Ep. 572: Twists in Planet Formation by Fraser Cain & Dr. Pamela Gay We're all looking to the next generation of exoplanetary research where we get planets directly. But astronomers a...

Ep. 571: Extreme Binaries from 2020-05-25T20:00

Streamed live on May 22, 2020. So we're familiar with regular binary stars. Two stars orbiting each other. Simple. Of course the Universe has come up with every combination of things orbiting other...

Ep. 570: Discovering Comets from 2020-05-18T20:00

Astronomy Cast Ep. 570: Discovering Comets Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more comets are getting found by sp...

Ep. 569: Ethics of Commercial and Military Space, Part 1: Private Space Flight from 2020-05-11T22:36:11

Every year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket. What are the eth...

Ep. 568: In Situ Resource Utilization from 2020-05-06T00:46:01

The key to surviving in space will be learning how to live off the land. Instead of carrying all your fuel, water and other resources from Earth, extract them locally from your destination. It's ca...

Ep. 567: When Satellites Need a House Call from 2020-04-27T15:35:21

567: When Satellites Need a House Call Astronomy Cast 567: When Satellites Need a House Call by Fraser Cain & Dr. Pamela Gay Space is really far away, so when you send a satellite out into the voi...

Ep. 566: When Comets Fall Apart from 2020-04-20T02:30:35

566: When Comets Fall Apart Astronomy Cast 566: When Comets Fall Apart by Fraser Cain & Dr. Pamela Gay As everyone knows, the Universe owes us a bright comet. There have been a lot of promising ca...

Ep. 565: When Worlds Collide from 2020-04-13T16:37:21

565: When Worlds Collide Astronomy Cast 565: When Worlds Collide by Fraser Cain & Dr. Pamela Gay So much of our Solar System has been shaped by enormous collisions early on in our history. Seriousl...

Ep. 564: Mini Moons from 2020-04-06T18:47:57

564: Mini Moons Astronomy Cast 564: Mini Moons by Fraser Cain & Dr. Pamela Gay Last month astronomers announced that they had detected a tiny asteroid that had been captured by the Earth's gravity ...

Ep. 563: White Dwarf Mergers from 2020-03-30T15:56:52

563: White Dwarf Mergers Astronomy Cast 563: White Dwarf Mergers by Fraser Cain & Dr. Pamela Gay White dwarfs are usually about 60% the mass of the Sun, so it was a bit of a surprise when astronom...

Ep. 562: Dealing with COVID-19 and the Changes it will Bring from 2020-03-23T20:44:15

562: Dealing with COVID-19 and the Changes it will Bring Astronomy Cast 562: Dealing with COVID-19 and the Changes it will Bring by Fraser Cain & Dr. Pamela Gay Pamela and Fraser discuss the implic...

Ep. 561: Remembering Katherine Johnson from 2020-03-06T22:59:34

561: Remembering Katherine Johnson Astronomy Cast 561: Remembering Katherine Johnson by Fraser Cain & Dr. Pamela Gay We lost a bright star here on planet Earth last week. NASA mathematician Katheri...

Ep. 560: Betelgeuse from 2020-02-24T22:06:34

560: Betelgeuse Astronomy Cast 560: Betelgeuse by Fraser Cain & Dr. Pamela Gay You might be surprised to hear that we've never done an episode of Astronomy Cast featuring Betelgeuse. Well, good new...

Ep. 559: The Surface of the Sun from 2020-02-17T04:05:02

559: The Surface of the Sun Astronomy Cast 559: The Surface of the Sun by Fraser Cain & Dr. Pamela Gay A brand new telescope has completed on Maui's Haleakala, and it has just one job: to watch the...

Ep. 558: Supernova SN 2006gy from 2020-02-10T05:30:20

558: Supernova SN 2006gy Astronomy Cast 558: Supernova SN 2006gy by Fraser Cain & Dr. Pamela Gay We've been following this story for more than a decade, so it's great to finally have an answer to t...

Ep. 557: Red Dwarfs: Friend or Foe from 2020-02-03T20:18:53

557: Red Dwarfs: Friend or Foe Astronomy Cast 557: Red Dwarfs: Friend or Foe by Fraser Cain & Dr. Pamela Gay On the one hand, red dwarfs are the longest lived stars in the Universe, the perfect pla...

Ep. 556: Multi Messenger Astronomy from 2020-01-27T22:14:01

556: Multi Messenger Astronomy Astronomy Cast 556: Multi Messenger Astronomy by Fraser Cain & Dr. Pamela Gay For the longest time astronomers could only study the skies with telescopes. But then ne...

Ep. 555: Satellite Constellations and the Future of Astronomy from 2020-01-19T23:20:42

555: Satellite Constellations and the Future of Astronomy Astronomy Cast 555: Satellite Constellations and the Future of Astronomy by Fraser Cain & Dr. Pamela Gay The other big issue at the AAS was...

Ep. 554: Big Telescope Controversy in Hawai'i from 2020-01-13T19:07:01

554: Big Telescope Controversy in Hawai'i Astronomy Cast 554: Big Telescope Controversy in Hawai'i by Fraser Cain & Dr. Pamela Gay This week we're live at the American Astronomical Society's 235th ...

Ep. 553: What To Look Forward To In 2020 from 2019-12-30T05:55:50

553: What To Look Forward To In 2020 Astronomy Cast 553: What To Look Forward To In 2020 by Fraser Cain & Dr. Pamela Gay It's hard to believe it, but we survived another trip around the Sun. Now i...

Ep. 552: Boyajian's star (and other strange stars) from 2019-12-23T23:36:57

552: Boyajian's star (and other strange stars) Astronomy Cast 552: Boyajian's star (and other strange stars) by Fraser Cain & Dr. Pamela Gay Huge surveys of the sky are finding more and more planet...

CosmoQuest Hangoutathon Promo from 2019-12-20T21:02:54

Hi everyone, Producer Susie here. This weekend, December 21-23, 2019, we will be having our CosmoQuest Hangoutathon.  For 40 straight hours, our team will be bringing you guests, science and fun li...

Ep. 551: Missing Epochs - Observing before the CMBR from 2019-12-16T19:05:55

551: Missing Epochs - Observing before the CMBR Astronomy Cast 551: Missing Epochs - Observing before the CMBR by Fraser Cain & Dr. Pamela Gay The Cosmic Microwave Background Radiation is the earli...

Ep. 550: Missing Epochs - Observing the Cosmic Dark Ages from 2019-12-07T01:36:44

550: Missing Epochs - Observing the Cosmic Dark Ages Astronomy Cast 550: Missing Epochs - Observing the Cosmic Dark Ages by Fraser Cain & Dr. Pamela Gay Powerful observatories like Hubble and the ...

Ep. 549: Stellar nucleosynthesis revisited: In and on and around dead stars from 2019-12-02T21:20:09

549: Stellar nucleosynthesis revisited: In and on and around dead stars Astronomy Cast 549: Stellar nucleosynthesis revisited: In and on and around dead stars by Fraser Cain & Dr. Pamela Gay Last w...

Ep. 548: Stellar nucleosynthesis revisited: In stellar cores&atmospheres from 2019-11-25T17:51:37

548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres Astronomy Cast 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres by Fraser Cain & Dr. Pamela Gay The Uni...

Ep. 547: Why Astronomy Still Needs Humans from 2019-11-18T21:21:11

547: Why Astronomy Still Needs Humans Astronomy Cast 547: Why Astronomy Still Needs Humans by Fraser Cain & Dr. Pamela Gay Few sciences have been able to take advantage of the power of computers li...

Ep. 546: Weird Issues: Planetary Migration from 2019-11-11T19:46:23

546: Weird Issues: Planetary Migration Astronomy Cast 546: Weird Issues: Planetary Migration by Fraser Cain & Dr. Pamela Gay Before we discovered other planets, our Solar System seemed like a perfe...

Ep. 545: Weird Issues: Are comets asteroids or are asteroids comets? from 2019-11-05T05:41:09

545: Weird Issues: Are comets asteroids or are asteroids comets? Astronomy Cast 545: Weird Issues: Are comets asteroids or are asteroids comets? by Fraser Cain & Dr. Pamela Gay Things used to be so...

Ep. 544: Weird Issues: Biosignatures from 2019-10-28T20:19:17

544: Weird Issues: Biosignatures Astronomy Cast 544: Weird Issues: Biosignatures by Fraser Cain & Dr. Pamela Gay Once again, another place where the Universe is going to make this difficult for us...

Halley's Meteor Shower and Two spacecraft updates from 2019-10-21T18:12:51

Got clear skies? Go out tonight and catch the Orionids Meteor shower, a storm of falling stars generated by Halley's comet. Later this week, we'll see aurora like those that will one day be predict...

Ep. 543: Weird Issues: The Habitable Zone from 2019-10-20T02:00:40

543: Weird Issues: The Habitable Zone Astronomy Cast 543: Weird Issues: The Habitable Zone by Fraser Cain & Dr. Pamela Gay Our series on Universe weirdness marches on. This week we take a look at t...

Ep. 542: Weird Issues: The Age of the Universe from 2019-10-14T04:46:02

542: Weird Issues: The Age of the Universe Astronomy Cast 542: Weird Issues: The Age of the Universe by Fraser Cain & Dr. Pamela Gay Our series on Universe weirdness continues, this time we learn h...

Ep. 541: Weird Issues: Expansion Rate of the Universe from 2019-10-07T20:20

541: Weird Issues: Expansion Rate of the Universe Astronomy Cast 541: Weird Issues: Expansion Rate of the Universe by Fraser Cain & Dr. Pamela Gay Just when the Universe was starting to make sense...

Ep. 540: Weird Issues: How Do (or Don't) Planets Form? from 2019-09-30T21:54:23

540: Weird Issues: How Do (or Don't) Planets Form? Astronomy Cast 540: Weird Issues: How Do (or Don't) Planets Form? by Fraser Cain & Dr. Pamela Gay As astronomers started to discover planets orbit...

Ep. 539: Weird Issues: Why We Don't Know the Age of Saturn's Rings from 2019-09-23T20:15:23

539: Weird Issues: Why We Don't Know the Age of Saturn's Rings Astronomy Cast 539: Weird Issues: Why We Don't Know the Age of Saturn's Rings by Fraser Cain & Dr. Pamela Gay How old are Saturn's rin...

Ep. 538: Asteroids: Rubble piles of the Solar System from 2019-09-16T21:24:11

538: Asteroids: Rubble piles of the Solar System Astronomy Cast 538: Asteroids: Rubble piles of the Solar System by Fraser Cain & Dr. Pamela Gay Thanks to all the work from Hayabusa 2 and OSIRIS-RE...

Ep. 537: Reusable Rocket Revolution from 2019-09-09T17:08:05

537: Reusable Rocket Revolution Astronomy Cast 537: Reusable Rocket Revolution by Fraser Cain & Dr. Pamela Gay We took a hiatus this summer, but SpaceX sure didn’t, with the tests of the Starhopper...

Libsyn Survey Request from 2019-08-10T18:52:50

Please help us keep bringing you content by going to  and filling out the survey, so Libsyn can find us sponsors for Astronomy Cast!

Astronomy Cast on Hiatus until Sept 2019 from 2019-07-01T17:29:16

Astronomy Cast will be on hiatus for July and August. Don't worry, we'll be back in September, and we might just have surprises for you all along this summer! Don't forget you can still catch Pamel...

Ep. 536: Everyday Relativity from 2019-07-01T16:57:29

536: Everyday Relativity Astronomy Cast 536: Everyday Relativity by Fraser Cain & Dr. Pamela Gay Relativity is used in more day to day situations than you may realize. In this episode, we will coun...

Ep. 535: Astronomy-Related Things To Do This Summer from 2019-06-24T19:56:23

535: Astronomy-Related Things To Do This Summer Astronomy Cast 535: Astronomy-Related Things To Do This Summer by Fraser Cain & Dr. Pamela Gay It's summertime, and time for our annual Astronomy Ca...

Ep. 534: Modern South African Astronomy from 2019-06-17T19:23:55

534: Modern South African Astronomy Astronomy Cast 534: Modern South African Astronomy by Fraser Cain & Dr. Pamela Gay You know the drill now. Last week we talked about ancient south African astron...

Ep. 533: Indigenous South African Astronomy from 2019-06-10T02:11:56

533: Indigenous South African Astronomy Astronomy Cast 533: Indigenous South African Astronomy by Fraser Cain & Dr. Pamela Gay Let's move to another continent this week, and look at the astronomy ...

Ep. 532: Modern Astronomy of Australia from 2019-06-03T04:23:42

532: Modern Astronomy of Australia Astronomy Cast 532: Modern Astronomy of Australia by Fraser Cain & Dr. Pamela Gay Last week we talked about how well the indigenous Australians followed the night...

Ep. 531: Australian Indigenous Astronomy from 2019-05-27T00:24:04

531: Australian Indigenous Astronomy Astronomy Cast 531: Australian Indigenous Astronomy by Fraser Cain & Dr. Pamela Gay South America, especially the Atacama Desert in Chile has become one of the ...

Ep. 530: Astronomy of the Andes - Then and Now Pt. 2 from 2019-05-12T02:00:12

530: Astronomy of the Andes - Then and Now Pt. 2 Astronomy Cast 530: Astronomy of the Andes - Then and Now Pt. 2 by Fraser Cain & Dr. Pamela Gay South America, especially the Atacama Desert in Chi...

Ep. 529: Astronomy of the Andes - Then and Now Pt. 1 from 2019-05-06T19:39:42

529: Astronomy of the Andes - Then and Now Pt. 1 Astronomy Cast 529: Astronomy of the Andes - Then and Now Pt. 1 by Fraser Cain & Dr. Pamela Gay The Andes mountains in South America are a hotspot o...

Ep. 528: Modern Astronomy of the American Southwest from 2019-04-29T20:13:44

528: Modern Astronomy of the American Southwest Astronomy Cast 528: Modern Astronomy of the American Southwest by Fraser Cain & Dr. Pamela Gay Last week we talked about the ancient astronomy of the...

Ep. 527: Ancient Astronomy of the American Southwest from 2019-04-22T19:50:04

527: Ancient Astronomy of the American Southwest Astronomy Cast 527: Ancient Astronomy of the American Southwest by Fraser Cain & Dr. Pamela Gay Ancient peoples had no light pollution, and they kne...

Ep. 526: Event Horizon Telescope and the Black Hole at M87 from 2019-04-15T20:15:02

526: Event Horizon Telescope and the Black Hole at M87 Astronomy Cast 526: Event Horizon Telescope and the Black Hole at M87 by Fraser Cain & Dr. Pamela Gay Today, of course, we're going to talk ab...

Ep. 525: 100 Years of the International Astronomical Union from 2019-04-08T20:16:15

525: 100 Years of the International Astronomical Union Astronomy Cast 525: 100 Years of the International Astronomical Union by Fraser Cain & Dr. Pamela Gay Even though they might be scattered arou...

Ep. 524: Judging Age&Origins, part 3 - Beyond Our System from 2019-04-01T19:36:39

524: Judging Age & Origins, part 3 - Beyond Our System Astronomy Cast 524: Judging Age & Origins, part 3 - Beyond Our System by Fraser Cain & Dr. Pamela Gay We learned how to figure out the ages of...

Ep. 523: Judging Age&Origins, Pt. 2 Across the Solar System from 2019-03-25T18:03:18

523: Judging Age & Origins, Pt. 2 Across the Solar System Astronomy Cast 523: Judging Age & Origins, Pt. 2 Across the Solar System by Fraser Cain & Dr. Pamela Gay Today we push our aging curiosity ...

Ep. 522: Judging Age&Origins, part 1 - Earth Rocks from 2019-03-18T21:51:19

522: Judging Age & Origins, part 1 - Earth Rocks Astronomy Cast 522: Judging Age & Origins, part 1 - Earth Rocks by Fraser Cain & Dr. Pamela Gay People always want to know how old everything is. An...

Bonus Episode: Dust with Dr. Paul Sutter from 2019-03-17T20:36:03

Bonus: Dust with Dr. Paul Sutter Astronomy Cast Bonus: Dust with Dr. Paul Sutter by Fraser Cain & Dr. Pamela Gay Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter ab...

Ep. 521: The Deep Space Network from 2019-03-11T22:24:20

521: The Deep Space Network Astronomy Cast 521: The Deep Space Network by Fraser Cain & Dr. Pamela Gay We always focus on the missions, but there's an important glue that holds the whole system tog...

Ep. 520: Transients: What They Are and Why They Matter, Part 2 from 2019-03-01T02:33:52

520: Transients: What They Are and Why They Matter, Part 2 Astronomy Cast 520: Transients: What They Are and Why They Matter, Part 2 by Fraser Cain & Dr. Pamela Gay

Ep. 519: Transients: What They Are and Why They Matter from 2019-02-25T04:51:22

519: Transients: What They Are and Why They Matter Astronomy Cast 519: Transients: What They Are and Why They Matter by Fraser Cain & Dr. Pamela Gay

Ep. 518: When the Universe tried to Declare War from 2019-02-18T04:03:35

518: When the Universe tried to Declare War Astronomy Cast 518: When the Universe tried to Declare War by Fraser Cain & Dr. Pamela Gay

Ep. 517: Fritz Zwicky and the Zwicky Transient Facility from 2019-02-11T20:14:20

517: Fritz Zwicky and the Zwicky Transient Facility Astronomy Cast 517: Fritz Zwicky and the Zwicky Transient Facility by Fraser Cain & Dr. Pamela Gay

Ep. 516: Polar Vortices from 2019-02-04T04:05:58

516: Polar Vortices Astronomy Cast 516: Polar Vortices by Fraser Cain & Dr. Pamela Gay

Ep. 515: Space Radiation from 2019-01-28T22:18:43

515: Space Radiation Astronomy Cast 515: Space Radiation by Fraser Cain & Dr. Pamela Gay

Ep. 514: Planetary Protection Protocols from 2019-01-21T19:28:10

514: Planetary Protection Protocols Astronomy Cast 514: Planetary Protection Protocols by Fraser Cain & Dr. Pamela Gay

Ep. 513: Stellar Fusion from 2019-01-14T07:19:26

513: Stellar Fusion Astronomy Cast 513: Stellar Fusion by Fraser Cain & Dr. Pamela Gay

Ep. 512: Direct Imaging of Exoplanets from 2019-01-07T21:58:57

512: Direct Imaging of Exoplanets Astronomy Cast 512: Direct Imaging of Exoplanets by Fraser Cain & Dr. Pamela Gay

Ep. 511: Predictions for 2019 from 2018-12-31T05:40:59

511: Predictions for 2019 Astronomy Cast 511: Predictions for 2019 by Fraser Cain & Dr. Pamela Gay

Ep. 510: 2018 - Year in Review from 2018-12-24T07:05:43

510: 2018 - Year in Review Astronomy Cast 510: 2018 - Year in Review by Fraser Cain & Dr. Pamela Gay

Ep. 509: Fiction to Fact: 3D Printers from 2018-12-10T21:50:57

509: Fiction to Fact: 3D Printers Astronomy Cast 509: Fiction to Fact: 3D Printers by Fraser Cain & Dr. Pamela Gay

Ep. 508: 2018 Holiday Gift Guide from 2018-12-03T20:31:21

508: 2018 Holiday Gift Guide Astronomy Cast 508: 2018 Holiday Gift Guide by Fraser Cain & Dr. Pamela Gay

507: From Fiction to Fact: Ion Drive from 2018-11-27T23:26:25

507: From Fiction to Fact: Ion Drive Astronomy Cast 507: > From Fiction to Fact: Ion Drive by Fraser Cain & Dr. Pamela Gay

506: It’s not Aliens, Unless it’s Aliens from 2018-11-17T22:50:46

506: It’s not Aliens, Unless it’s Aliens Astronomy Cast 506: It’s not Aliens, Unless it’s Aliens by Fraser Cain & Dr. Pamela Gay

505: Seismology from 2018-11-11T12:12:20

505: Seismology Astronomy Cast 505: Seismology by Fraser Cain & Dr. Pamela Gay

504: Radar, Lidar&Sonar from 2018-11-04T18:09:50

504: Radar, Lidar & Sonar Astronomy Cast 504: Radar, Lidar & Sonar by Fraser Cain & Dr. Pamela Gay

503: Gravity Mapping from 2018-10-29T12:02:41

503: Gravity Mapping Astronomy Cast 503: Gravity Mapping by Fraser Cain & Dr. Pamela Gay

502: No Touching: Determining Composition of Worlds Remotely from 2018-10-22T20:31:33

502: No Touching: Determining Composition of Worlds Remotely Astronomy Cast 502: No Touching: Determining Composition of Worlds Remotely by Fraser Cain & Dr. Pamela Gay

501: Water Worlds Revisited from 2018-10-10T11:45:34

501: Water Worlds Revisited Astronomy Cast 501: Water Worlds Revisited by Fraser Cain & Dr. Pamela Gay

500: Live Celebration! from 2018-09-18T01:42:19

500: Live Celebration! Astronomy Cast 500: Live Celebration! by Fraser Cain & Dr. Pamela Gay

499: What is the proposed Hubble-Lemaitre Law? from 2018-09-10T06:59:14

499: What is the proposed Hubble-Lemaitre Law? Astronomy Cast 499: What is the proposed Hubble-Lemaitre Law? by Fraser Cain & Dr. Pamela Gay

Astronomy Cast: On Hiatus until September 2018 from 2018-07-01T22:09:27

Astronomy Cast will be on hiatus until September, 2018.  When we return, we'll be gearing up for the 500th Episode!  

498: Dwarf Galaxy Update from 2018-07-01T21:37:49

498: Dwarf Galaxy Update Astronomy Cast 498: Dwarf Galaxy Update by Fraser Cain & Dr. Pamela Gay

497: Update on Globular Clusters from 2018-06-25T16:10:24

497: Update on Globular Clusters Astronomy Cast 497: Update on Globular Clusters by Fraser Cain & Dr. Pamela Gay

496: Update on Stellar Populations (I, II,&III) from 2018-06-18T15:49:17

496: Update on Stellar Populations (I, II, & III) Astronomy Cast 496: Update on Stellar Populations (I, II, & III) by Fraser Cain & Dr. Pamela Gay

495: Update on Asteroids&Prospects of Asteroid Mining from 2018-06-11T20:03:47

495: Update on Asteroids & Prospects of Asteroid Mining Astronomy Cast 495: Update on Asteroids & Prospects of Asteroid Mining by Fraser Cain & Dr. Pamela Gay

494: Icy Moons Update 2018 from 2018-06-04T19:44:40

494: Icy Moons Update 2018 Astronomy Cast 494: Icy Moons Update 2018 by Fraser Cain & Dr. Pamela Gay

493: Mars Update 2018 from 2018-05-27T13:45:46

493: Mars Update 2018 Astronomy Cast 493: Mars Update 2018 by Fraser Cain & Dr. Pamela Gay

492: Comets, Asteroids and KBO’s from 2018-05-21T19:05:20

492: Comets, Asteroids and KBO’s Astronomy Cast 492: Comets, Asteroids and KBO’s by Fraser Cain & Dr. Pamela Gay

491: Exoplanet Update 2018 from 2018-05-14T15:21:15

491: Exoplanet Update 2018 Astronomy Cast 491: Exoplanet Update 2018 by Fraser Cain & Dr. Pamela Gay

490: What’s New with Supernovae from 2018-05-07T19:43:39

490: What’s New with Supernovae Astronomy Cast 490: What’s New with Supernovae by Fraser Cain & Dr. Pamela Gay

489: Black Hole Update from 2018-04-30T14:47:32

489: Black Hole Update Astronomy Cast 489: Black Hole Update by Fraser Cain & Dr. Pamela Gay

488: Dark Energy: 2018 Edition from 2018-04-24T19:29:57

488: Dark Energy: 2018 Edition Astronomy Cast 488: Dark Energy: 2018 Edition by Fraser Cain & Dr. Pamela Gay

487: Dark Matter: 2018 Edition from 2018-04-16T19:17:09

487: Dark Matter: 2018 Edition Astronomy Cast 487: Dark Matter: 2018 Edition by Fraser Cain & Dr. Pamela Gay

486: Particle Physics Update from 2018-04-09T17:56:23

486: Particle Physics Update Astronomy Cast 486: Particle Physics Update by Fraser Cain & Dr. Pamela Gay

485: Docking, Refueling, and Transferring from 2018-03-30T18:18:14

485: Docking, Refueling, and Transferring Astronomy Cast 485: Docking, Refueling, and Transferring by Fraser Cain & Dr. Pamela Gay

484: Transfer Orbits and Gravitational Assists from 2018-03-26T19:41

484: Transfer Orbits and Gravitational Assists Astronomy Cast 484: Transfer Orbits and Gravitational Assists by Fraser Cain & Dr. Pamela Gay

483: Stopping in Space from 2018-03-19T17:30:01

483: Stopping in Space Astronomy Cast 483: Stopping in Space by Fraser Cain & Dr. Pamela Gay

482: Alternative Ways to Space from 2018-03-12T19:39:59

482: Alternative Ways to Space Astronomy Cast 482: Alternative Ways to Space by Fraser Cain & Dr. Pamela Gay

481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation from 2018-03-05T20:07:14

481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation Astronomy Cast 481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation by Fraser Cain & Dr. Pamela Gay

February Q&A from 2018-02-27T16:27:07

This was a special Q&A episode Pamela recorded while Fraser was in Iceland.

480: Rockets pt. 2- Multi-stage Boosters from 2018-02-26T22:48:21

480: Rockets pt. 2- Multi-stage Boosters Astronomy Cast 480: Rockets pt. 2- Multi-stage Boosters by Fraser Cain & Dr. Pamela Gay

479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean? from 2018-02-19T20:53:37

479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean? Astronomy Cast 479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean? by Fraser Cain & Dr. Pamela Gay

478: Apollo 8 with Paul Hildebrandt from 2018-02-13T01:57:09

478: Apollo 8 with Paul Hildebrandt Astronomy Cast 478: Apollo 8 with Paul Hildebrandt by Fraser Cain & Dr. Pamela Gay

477: State of Exploration: Once and Future Moon from 2018-02-05T20:28:28

477: State of Exploration: Once and Future Moon Astronomy Cast 477: State of Exploration: Once and Future Moon by Fraser Cain & Dr. Pamela Gay

476: The Overview Effect from 2018-01-29T18:46:03

476: The Overview Effect Astronomy Cast 476: The Overview Effect by Fraser Cain & Dr. Pamela Gay

475: Fast Radio Bursts from 2018-01-23T16:39:54

475: Fast Radio Bursts Astronomy Cast 475: Fast Radio Bursts by Fraser Cain & Dr. Pamela Gay

474: Predictions for 2018 from 2018-01-15T12:34:44

474: Predictions for 2018 Astronomy Cast 474: Predictions for 2018 by Fraser Cain & Dr. Pamela Gay

473: Remembering the Best Space Science of 2017 from 2018-01-08T18:12:26

473: Remembering the Best Space Science of 2017 Astronomy Cast 473: Remembering the Best Space Science of 2017 by Fraser Cain & Dr. Pamela Gay

472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience from 2017-12-31T15:57:53

472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience Astronomy Cast 472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience by Fraser Cain & Dr. Pamela Gay

471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations from 2017-12-27T02:18:30

471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations Astronomy Cast 471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations by Fraser Cain & Dr....

470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing from 2017-12-19T13:27:53

470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing Astronomy Cast 470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing by Fraser Cain & Dr. Pamela Gay

469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration from 2017-12-11T14:07:11

469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration Astronomy Cast 469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration by Fraser Cain & Dr. Pamela Gay

468: Simulations for Science and Fun from 2017-12-04T11:37:21

468: Simulations for Science and Fun Astronomy Cast 468: Simulations for Science and Fun by Fraser Cain & Dr. Pamela Gay

467: Resonance from 2017-11-27T10:40:23

467: Resonance Astronomy Cast 467: Resonance by Fraser Cain & Dr. Pamela Gay

466: Origins of Zero (0) from 2017-11-20T18:24:03

466: Origins of Zero (0) Astronomy Cast 466: Origins of Zero (0) by Fraser Cain & Dr. Pamela Gay

465: Exploiting Interfering Light from 2017-11-10T11:55:42

465: Exploiting Interfering Light Astronomy Cast 465: Exploiting Interfering Light by Fraser Cain & Dr. Pamela Gay

464: Why the Hype over an Exorock? from 2017-11-06T01:29:17

464: Why the Hype over an Exorock? Astronomy Cast 464: Why the Hype over an Exorock? by Fraser Cain & Dr. Pamela Gay

463: Pareidolia and the Moon from 2017-10-30T11:32:13

463: Pareidolia and the Moon Astronomy Cast 463: Pareidolia and the Moon by Fraser Cain & Dr. Pamela Gay

462: Modeling the Weather from 2017-10-23T22:50:45

462: Modeling the Weather Astronomy Cast 462: Modeling the Weather by Fraser Cain & Dr. Pamela Gay

461: Measuring the Weather with Satellites from 2017-10-16T03:47:21

461: Measuring the Weather with Satellites Astronomy Cast 461: Measuring the Weather with Satellites by Fraser Cain & Dr. Pamela Gay

460: Earth from Afar: Remote Sensing from 2017-10-09T20:27:58

460: Earth from Afar: Remote Sensing Astronomy Cast 460: Earth from Afar: Remote Sensing by Fraser Cain & Dr. Pamela Gay

459: Arecibo Observatory from 2017-10-02T16:10

459: Arecibo Observatory Astronomy Cast 459: Arecibo Observatory by Fraser Cain & Dr. Pamela Gay

458: The Science of Cassini from 2017-09-25T04:18:52

458: The Science of Cassini Astronomy Cast 458: The Science of Cassini by Fraser Cain & Dr. Pamela Gay

457: Why Did Cassini Have To Die? In Memoriam from 2017-09-18T04:55:08

457: Why Did Cassini Have To Die? In Memoriam Astronomy Cast 457: Why Did Cassini Have To Die? In Memoriam by Fraser Cain & Dr. Pamela Gay

456: Pluto Revisited from 2017-09-11T16:27:54

456: Pluto Revisited Astronomy Cast 456: Pluto Revisited by Fraser Cain & Dr. Pamela Gay

455: Your Practical Guide to Colonizing the Milky Way! from 2017-08-28T23:16:15

455: Your Practical Guide to Colonizing the Milky Way! Astronomy Cast 455: Your Practical Guide to Colonizing the Milky Way! by Fraser Cain & Dr. Pamela Gay

Astronomy Cast Extra! Solar Eclipse 101 from 2017-08-19T21:49:02

Pamela and Fraser talk about solar eclipse basics at their Solar Eclipse Escape event in Saint Louis on August 19th. What to do, and (perhaps more importantly) what NOT to do is covered!

454: Things We’re Looking Forward To from 2017-06-19T09:01:19

454: Things We’re Looking Forward To Astronomy Cast 454: Things We’re Looking Forward To by Fraser Cain & Dr. Pamela Gay

453: Favorite Things We’ve Done These 10 Years from 2017-06-11T00:01

453: Favorite Things We’ve Done These 10 Years Astronomy Cast 453: Favorite Things We’ve Done These 10 Years by Fraser Cain & Dr. Pamela Gay

452: Summer Observing Challenges from 2017-06-05T20:00:45

452: Summer Observing Challenges Astronomy Cast 452: Summer Observing Challenges by Fraser Cain & Dr. Pamela Gay

451: When Can I Buy My Ticket To Space? from 2017-05-28T18:26:55

451: When Can I Buy My Ticket To Space? Astronomy Cast 451: When Can I Buy My Ticket To Space? by Fraser Cain & Dr. Pamela Gay

450: Inflatable Habitats from 2017-05-23T00:36:57

450: Inflatable Habitats Astronomy Cast 450: Inflatable Habitats by Fraser Cain & Dr. Pamela Gay

449: Robots in Space! from 2017-05-08T16:53:13

449: Robots in Space! Astronomy Cast 449: Robots in Space! by Fraser Cain & Dr. Pamela Gay

448: Prepping for the Eclipse from 2017-05-01T05:16:13

448: Prepping for the Eclipse Astronomy Cast 448: Prepping for the Eclipse by Fraser Cain & Dr. Pamela Gay

447: Animals in Space Pt. 3: Dogs, Monkeys and More from 2017-04-25T16:32:39

447: Animals in Space Pt. 3: Dogs, Monkeys and More Astronomy Cast 447: Animals in Space Pt. 3: Dogs, Monkeys and More by Fraser Cain & Dr. Pamela Gay

446: Animals in Space Pt. 2: Mice and Other Small Animals from 2017-04-17T05:42:23

446: Animals in Space Pt. 2: Mice and Other Small Animals Astronomy Cast 446: Animals in Space Pt. 2: Mice and Other Small Animals by Fraser Cain & Dr. Pamela Gay

445: Animals in Space Pt. 1: Insects and Arachnids from 2017-04-10T18:57:52

445: Animals in Space Pt. 1: Insects and Arachnids Astronomy Cast 445: Animals in Space Pt. 1: Insects and Arachnids by Fraser Cain & Dr. Pamela Gay

444: Fractals from 2017-04-03T12:13:05

444: Fractals Astronomy Cast 444: Fractals by Fraser Cain & Dr. Pamela Gay

443: Destroy and Rebuild Pt. 7: Tsunamis from 2017-03-13T20:07:59

443: Destroy and Rebuild Pt. 7: Tsunamis Astronomy Cast 443: Destroy and Rebuild Pt. 7: Tsunamis by Fraser Cain & Dr. Pamela Gay

442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal from 2017-03-03T03:48:28

442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal Astronomy Cast 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal by Fraser Cain & Dr. Pamela Gay

441: Destroy and Rebuild, Pt. 5: Continental Drift from 2017-03-03T00:30:11

441: Destroy and Rebuild, Pt. 5: Continental Drift Astronomy Cast 441: Destroy and Rebuild, Pt. 5: Continental Drift by Fraser Cain & Dr. Pamela Gay

440: Destroy and Rebuild, Pt. 4: Supervolcanoes! from 2017-02-18T19:11:30

440: Destroy and Rebuild, Pt. 4: Supervolcanoes! Astronomy Cast 440: Destroy and Rebuild, Pt. 4: Supervolcanoes! by Fraser Cain & Dr. Pamela Gay

439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? from 2017-02-14T19:32:44

439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? Astronomy Cast 439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? by Fraser Cain & Dr. Pamela Gay

438: Destroy and Rebuild, Pt. 2: Geoengineering from 2017-02-05T09:46:10

438: Destroy and Rebuild, Pt. 2: Geoengineering Astronomy Cast 438: Destroy and Rebuild, Pt. 2: Geoengineering by Fraser Cain & Dr. Pamela Gay

437: Destroy and Rebuild, Pt. 1: The Torino Scale from 2017-01-30T11:37:58

437: Destroy and Rebuild, Pt. 1: The Torino Scale Astronomy Cast 437: Destroy and Rebuild, Pt. 1: The Torino Scale by Fraser Cain & Dr. Pamela Gay

436 Bonus: Moon Cheeziness from 2017-01-24T02:10:35

436 Bonus: Moon Cheeziness Astronomy Cast 436 Bonus: Moon Cheeziness by Fraser Cain & Dr. Pamela Gay

436: Common Misconceptions in Probability from 2017-01-23T18:44:18

436: Common Misconceptions in Probability Astronomy Cast 436: Common Misconceptions in Probability by Fraser Cain & Dr. Pamela Gay

435: The Butterfly Effect from 2017-01-15T01:30:32

435: The Butterfly Effect Astronomy Cast 435: The Butterfly Effect by Fraser Cain & Dr. Pamela Gay

434: Am I On An Alien World? from 2017-01-08T12:35:28

434: Am I On An Alien World? Astronomy Cast 434: Am I On An Alien World? by Fraser Cain & Dr. Pamela Gay

433: Volcanoes on Mars from 2017-01-03T19:41:48

433: Volcanoes on Mars Astronomy Cast 433: Volcanoes on Mars by Fraser Cain & Dr. Pamela Gay

432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert from 2016-12-26T16:47:47

432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert Astronomy Cast 432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert by Fraser Cain & Dr. Pamela Gay

431: The Search for Life on Mars from 2016-12-08T18:32:50

431: The Search for Life on Mars Astronomy Cast 431: The Search for Life on Mars by Fraser Cain & Dr. Pamela Gay

430: Coming Home from Mars from 2016-12-08T17:15:13

430: Coming Home from Mars Astronomy Cast 430: Coming Home from Mars by Fraser Cain & Dr. Pamela Gay

429: Living on Mars from 2016-11-26T09:44:11

429: Living on Mars Astronomy Cast 429: Living on Mars by Fraser Cain & Dr. Pamela Gay

428: The Moons of Mars from 2016-11-24T07:26:24

428: The Moons of Mars Astronomy Cast 428: The Moons of Mars by Fraser Cain & Dr. Pamela Gay

427: Click Bait vs Clear Science from 2016-11-07T10:33:48

427: Click Bait vs Clear Science Astronomy Cast 427: Click Bait vs Clear Science by Fraser Cain & Dr. Pamela Gay

426: Confirmation Bias from 2016-10-29T05:15:47

426: Confirmation Bias Astronomy Cast 426: Confirmation Bias by Fraser Cain & Dr. Pamela Gay

425: Naming Spacecraft from 2016-10-20T15:42:34

425: Naming Spacecraft Astronomy Cast 425: Naming Spacecraft by Fraser Cain & Dr. Pamela Gay

424: Lightning from 2016-10-17T10:12:09

424: Lightning Astronomy Cast 424: Lightning by Fraser Cain & Dr. Pamela Gay

423: Cyclones from 2016-10-10T23:27:49

423: Cyclones Astronomy Cast 423: Cyclones by Fraser Cain & Dr. Pamela Gay

422: Geysers from 2016-10-01T20:57

Astronomy Cast 422: Geysers by Fraser Cain & Dr. Pamela Gay

420: FIRE! from 2016-09-19T18:20:02

Astronomy Cast 420: FIRE! by Fraser Cain & Dr. Pamela Gay

419: DragonCon 2016 Live: Rocket Girls from 2016-09-15T18:32:44

AstronomyCast 419: DragonCon 2016 Live: Rocket Girls by Fraser Cain & Dr. Pamela Gay

418: I'm a Teapot from 2016-06-27T03:01:54

AstronomyCast 418: I'm a Teapot by Fraser Cain & Dr. Pamela Gay

417: Expectation: Failed from 2016-06-26T23:18:41

AstronomyCast 417: Expectation: Failed by Fraser Cain & Dr. Pamela Gay

416: Fireballs from Space from 2016-06-13T23:31:41

AstronomyCast 416: Fireballs from Space by Fraser Cain & Dr. Pamela Gay

415: The Temperature of the Universe from 2016-06-01T03:22:21

AstronomyCast 415: The Temperature of the Universe by Fraser Cain & Dr. Pamela Gay

414: Navigating Far from 2016-05-26T03:29:05

AstronomyCast 414: Navigating Far by Fraser Cain & Dr. Pamela Gay

413: Navigating Near from 2016-05-17T01:02:22

AstronomyCast 413: Navigating Near by Fraser Cain & Dr. Pamela Gay

412: The Color of the Universe from 2016-05-01T22:37:08

AstronomyCast 412: The Color of the Universe by Fraser Cain & Dr. Pamela Gay

411: The Science of Sunset Colors from 2016-04-25T04:05:43

AstronomyCast 411: The Science of Sunset Colors by Fraser Cain & Dr. Pamela Gay

410: Planet Nine - Facts&Fiction from 2016-04-18T01:44:44

AstronomyCast 410: Planet Nine - Facts & Fiction by Fraser Cain & Dr. Pamela Gay

409: Spin in the Solar System from 2016-04-11T03:59:06

AstronomyCast 409: Spin in the Solar System by Fraser Cain & Dr. Pamela Gay

408: Universal Cannibalism from 2016-04-04T23:33:23

AstronomyCast 408: Universal Cannibalism by Fraser Cain & Dr. Pamela Gay

407: Galactic Cannibalism from 2016-03-30T04:07:12

AstronomyCast 407: Galactic Cannibalism by Fraser Cain & Dr. Pamela Gay

406: Stellar Cannibalism from 2016-03-14T03:09:23

AstronomyCast 406: Stellar Cannibalism by Fraser Cain & Dr. Pamela Gay

405: Method Not Found from 2016-03-07T04:36:10

AstronomyCast 405: Method Not Found by Fraser Cain & Dr. Pamela Gay

404: What We Know, What We Don't Know,&What We Can't Know from 2016-03-01T02:50:17

AstronomyCast 404: What We Know, What We Don't Know, & What We Can't Know by Fraser Cain & Dr. Pamela Gay

403: Funding Big Science from 2016-02-22T05:21:06

AstronomyCast 403: Funding Big Science by Fraser Cain & Dr. Pamela Gay

402: Gravity Eyes - See the Invisible with the Force from 2016-02-15T04:13:44

AstronomyCast 402: Gravity Eyes - See the Invisible with the Force by Fraser Cain & Dr. Pamela Gay

401: Future Predictions from 2016-02-08T05:07:37

AstronomyCast 401: Future Predictions by Fraser Cain & Dr. Pamela Gay

400: The State of the Universe from 2016-02-01T04:18:57

AstronomyCast 400: The State of the Universe, by Fraser Cain & Dr. Pamela Gay

399: Women in Science from 2016-01-18T05:06:17

AstronomyCast 399: Women in Science by Fraser Cain & Dr. Pamela Gay

398: Seeing Things from 2016-01-11T05:43:34

AstronomyCast 398: Seeing Things by Fraser Cain & Dr. Pamela Gay

397: Why is There Something and Not Nothing? from 2015-12-22T04:52:40

AstronomyCast 397: Why is There Something and Not Nothing? by Fraser Cain & Dr. Pamela Gay

396: Family Astronomy for the Holidays from 2015-12-15T02:04:13

AstronomyCast 396: Family Astronomy for the Holidays by Fraser Cain & Dr. Pamela Gay

395: Baryons&Beyond the Standard Model from 2015-12-07T01:55:12

AstronomyCast 395: Baryons & Beyond the Standard Model by Fraser Cain & Dr. Pamela Gay

394: Bosons from 2015-11-30T03:41:49

AstronomyCast 394: Bosons by Fraser Cain & Dr. Pamela Gay

393: The Standard Model - Leptons&Quarks from 2015-11-23T05:34:28

AstronomyCast 393: The Standard Model - Leptons & Quarks by Fraser Cain & Dr. Pamela Gay

392: The Standard Model from 2015-11-16T05:58:05

AstronomyCast 392: The Standard Model by Fraser Cain & Dr. Pamela Gay

391: Entropy from 2015-11-09T04:45:39

AstronomyCast 391: Entropy by Fraser Cain & Dr. Pamela Gay

390: Occam's Razor&the Problem with Probabilities from 2015-11-09T00:20:25

AstronomyCast 390: Occam's Razor & the Problem with Probabilities by Fraser Cain & Dr. Pamela Gay

388: Megastructures from 2015-10-29T01:00:07

AstronomyCast 388: Megastructures by Fraser Cain & Dr. Pamela Gay

389: Roundtable with Paul M. Sutter from 2015-10-28T00:28:21

AstronomyCast 389: Roundtable with Paul M. Sutter by Fraser Cain & Dr. Pamela Gay

387: Water on Mars (Again) from 2015-10-20T03:47:22

AstronomyCast 387: Water on Mars (Again) by Fraser Cain & Dr. Pamela Gay

386: Orbiting Observers from 2015-10-13T03:33:44

AstronomyCast 386: Orbiting Observers by Fraser Cain & Dr. Pamela Gay

385: Rovers on the Run from 2015-09-30T03:25:08

AstronomyCast 385: Rovers on the Run by Fraser Cain & Dr. Pamela Gay

384: Escaping Probes from 2015-09-27T20:38:39

AstronomyCast 384: Escaping Probes, by Fraser Cain & Dr. Pamela Gay

383: Approaches to Absolute Zero from 2015-07-07T04:17:38

AstronomyCast 383: Approaches to Absolute Zero by Fraser Cain & Dr. Pamela Gay

382: Degenerate Matter from 2015-07-06T02:13:23

AstronomyCast 382: Degenerate Matter by Fraser Cain & Dr. Pamela Gay

381: Hollowing Asteroids from 2015-06-19T23:41:38

AstronomyCast 381: Hollowing Asteroids by Fraser Cain & Dr. Pamela Gay

380: The Limits of Optics from 2015-06-15T03:59:48

AstronomyCast 380: The Limits of Optics by Fraser Cain & Dr. Pamela Gay

379: Fermi's Atom Splitting from 2015-06-13T17:58:17

AstronomyCast 379: Fermi's Atom Splitting by Fraser Cain & Dr. Pamela Gay

378: Rutherford Atoms from 2015-06-08T01:36:08

AstronomyCast 378: Rutherford Atoms, by Fraser Cain & Dr. Pamela Gay

377: Thomson Finds the Electron from 2015-06-04T02:42:36

AstronomyCast 377: Thomson Finds the Electron by Fraser Cain & Dr. Pamela Gay

376: The Miller-Urey Experiment from 2015-05-25T01:07:58

AstronomyCast 376: The Miller-Urey Experiment by Fraser Cain & Dr. Pamela Gay

375: The Search for Life in the Solar System, with Morgan Rehnberg from 2015-05-13T01:27:47

AstronomyCast 375: The Search for Life in the Solar System, with Morgan Rehnberg by Fraser Cain & Morgan Rehnberg

374: The Stern-Gerlach Experiment from 2015-04-27T03:22:26

AstronomyCast 374: The Stern-Gerlach Experiment by Fraser Cain & Dr. Pamela Gay

373: The Becquerel Experiment from 2015-04-15T03:26:16

AstronomyCast 373: The Becquerel Experiment by Fraser Cain & Dr. Pamela Gay

372: The Millikan Oil Drop Experiment from 2015-04-06T00:28:28

AstronomyCast 372: The Millikan Oil Drop Experiment by Fraser Cain & Dr. Pamela Gay

371: The Eddington Eclipse Experiment from 2015-04-05T21:45:37

AstronomyCast 371: The Eddington Eclipse Experiment by Fraser Cain & Dr. Pamela Gay

370: Kaufmann Bucherer Neumann Experiments from 2015-03-25T04:38:50

AstronomyCast 370: Kaufmann Bucherer Neumann Experiments by Fraser Cain & Dr. Pamela Gay

369: The Fizeau Experiment from 2015-03-19T04:49:39

AstronomyCast 369: The Fizeau Experiment by Fraser Cain & Dr. Pamela Gay

368: Searching for the Ether Wind (The Michelson–Morley Experiment) from 2015-02-23T05:26:01

AstronomyCast 368: Searching for the Ether Wind (The Michelson–Morley Experiment) by Fraser Cain & Dr. Pamela Gay

367: Spitzer Does Exoplanets from 2015-02-19T06:40:53

AstronomyCast 367: Spitzer Does Exoplanets by Fraser Cain & Dr. Pamela Gay

366: HARPS from 2015-02-06T05:35:50

AstronomyCast 366: HARPS by Fraser Cain & Dr. Pamela Gay

365: Gaia from 2015-01-27T06:14:06

AstronomyCast 365: Gaia by Fraser Cain & Dr. Pamela Gay

364: COROT from 2015-01-19T03:47:44

AstronomyCast 364: COROT by Fraser Cain & Dr. Pamela Gay

363: Where Did Earth's Water Come From? from 2015-01-19T03:12:55

AstronomyCast 363: Where Did Earth's Water Come From? by Fraser Cain & Dr. Pamela Gay

362: Carolyn Porco from 2015-01-05T00:22:24

AstronomyCast 362: Carolyn Porco by Fraser Cain & Dr. Pamela Gay

361: Maria Zuber from 2014-12-29T04:10:31

AstronomyCast 361: Maria Zuber by Fraser Cain & Dr. Pamela Gay

360: Jocelyn Bell Burnell from 2014-12-17T05:43:43

AstronomyCast 360: Jocelyn Bell Burnell by Fraser Cain & Dr. Pamela Gay

359: Margaret Geller from 2014-12-08T23:16:07

AstronomyCast 359: Margaret Geller by Fraser Cain & Dr. Pamela Gay

358: Sandra Faber from 2014-12-08T05:34:41

AstronomyCast 358: Sandra Faber by Fraser Cain & Dr. Pamela Gay

357: Vera Rubin from 2014-11-24T04:25:17

AstronomyCast 357: Vera Rubin by Fraser Cain & Dr. Pamela Gay

356: Inertia from 2014-11-21T00:22:59

AstronomyCast 356: Inertia by Fraser Cain & Dr. Pamela Gay

355: 3D Printing Exploration from 2014-11-14T06:12:12

AstronomyCast 355: 3D Printing Exploration by Fraser Cain & Dr. Pamela Gay

354: Comet Siding Spring vs. Mars from 2014-11-10T04:45:51

AstronomyCast: 354: Comet Siding Spring vs. Mars by Fraser Cain & Dr. Pamela Gay

353: Seasons and Saturn from 2014-10-06T04:59:34

AstronomyCast 353: Seasons and Saturn by Fraser Cain & Dr. Pamela Gay

352: Water, Water Everywhere from 2014-09-30T04:51:09

AstronomyCast 352: Water, Water Everywhere by Fraser Cain & Dr. Pamela Gay

Live from DragonCon 2014 from 2014-09-28T23:04:48

AstronomyCast Live from DragonCon 2014 by Fraser Cain & Dr. Pamela Gay

351: Asteroid Adventures from 2014-09-22T03:46:33

AstronomyCast 351: Asteroid Adventures by Fraser Cain & Dr. Pamela Gay

350: Spaceship One from 2014-07-13T03:24:06

AstronomyCast 350: SpaceShip One by Fraser Cain & Dr. Pamela Gay

349: Mercury 7 Astronauts from 2014-07-10T04:52:53

AstronomyCast 349: Mercury 7 Astronauts by Fraser Cain & Dr. Pamela Gay

348: 2 Independence Square, the NASA Headquarters from 2014-06-17T03:09:58

AstronomyCast 348: 2 Independence Square, the NASA Headquarters by Fraser Cain & Dr. Pamela Gay

Live from Balticon from 2014-06-09T04:28:52

AstronomyCast: Live from Balticon, with P.G. Holyfield by Dr. Pamela Gay

346: Area 51 from 2014-05-22T04:55:56

AstronomyCast 346: Area 51 by Fraser Cain & Dr. Pamela Gay

345: Launch Complex 39 from 2014-05-13T04:21:24

AstronomyCast 345: Launch Complex 39 by Fraser Cain & Dr. Pamela Gay

344: Saturn's Rings from 2014-05-05T02:27:22

AstronomyCast 344: Saturn's Rings by Fraser Cain & Dr. Pamela Gay

343: The Universe is Trying to Kill You from 2014-05-03T23:42:01

AstronomyCast 343: The Universe is Trying to Kill You by Fraser Cain & Dr. Pamela Gay

342: Sunsetting Spacecraft from 2014-04-15T03:00:19

AstronomyCast 342: Sunsetting Spacecraft by Fraser Cain & Dr. Pamela Gay

341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann from 2014-04-09T02:43:33

AstronomyCast 341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann by Fraser Cain & Dr. Pamela Gay

340: Warner von Braum from 2014-04-01T04:09

AstronomyCast 340: Warner von Braum by Fraser Cain & Dr. Pamela Gay

339: Space Conspiracy Theories from 2014-03-26T02:04:39

AstronomyCast 339: Space Conspiracy Theories by Fraser Cain & Dr. Pamela Gay

338: Copernicus from 2014-03-20T04:53:19

AstronomyCast 338: Copernicus by Fraser Cain & Dr. Pamela Gay

337: Photometry from 2014-03-11T04:28:59

AstronomyCast 337: Photometry by Fraser Cain & Dr. Pamela Gay

336: Units of Measure from 2014-03-04T06:30:41

AstronomyCast 336: Units of Measure by Fraser Cain & Dr. Pamela Gay

335: The Photoelectric Effect from 2014-02-24T03:43:17

AstronomyCast 335: The Photoelectric Effect by Fraser Cain & Dr. Pamela Gay

334: Chelyabinsk, One Year Later from 2014-02-17T06:06:52

AstronomyCast 334: Chelyabinsk, One Year Later by Fraser Cain & Dr. Pamela Gay

333: When Worlds Collide from 2014-02-09T22:38

AstronomyCast 333: When Worlds Collide by Fraser Cain & Dr. Pamela Gay

332: Stellar Collisions from 2014-02-06T06:18

AstronomyCast 332: Stellar Collisions by Fraser Cain & Dr. Pamela Gay

331: Arthur C. Clarke's Ideas and Technology from 2014-01-27T04:42

AstronomyCast 331: Arthur C. Clarke's Ideas and Technology by Fraser Cain & Dr. Pamela Gay

330: Arthur C. Clarke from 2014-01-20T05:26

AstronomyCast 330: Arthur C. Clarke by Fraser Cain & Dr. Pamela Gay

329: Telescope Making, Pt. 3 from 2014-01-13T04:53

329: Telescope Making, Pt. 3 by Fraser Cain & Dr. Pamela Gay

328: Telescope Making, Pt. 2 from 2014-01-06T03:07

AstronomyCast 328: Telescope Making, Pt. 2 by Fraser Cain & Dr. Pamela Gay

327: Telescope Making, Pt. 1 from 2013-12-30T03:03

AstronomyCast 327: Telescope Making, Pt. 1 by Fraser Cain & Dr. Pamela Gay

326: Atmospheric Dust from 2013-12-23T01:31

AstronomyCast 326: Atmospheric Dust by Fraser Cain & Dr. Pamela Gay

325: Cold Fusion from 2013-12-17T04:17

AstronomyCast 325: Cold Fusion by Fraser Cain & Dr. Pamela Gay

324: Sun Grazers from 2013-12-08T18:56

AstronomyCast 324: Sun Grazers by Fraser Cain & Dr. Pamela Gay

323: Isotopes from 2013-12-03T05:17

AstronomyCast 323: Isotopes by Fraser Cain & Dr. Pamela Gay

322: SOHO from 2013-11-20T04:18

AstronomyCast 322: SOHO by Fraser Cain & Dr. Pamela Gay

321: Solar Flares from 2013-11-19T01:33

AstronomyCast 321: Solar Flares by Fraser Cain & Dr. Pamela Gay

320: Layers of the Sun from 2013-11-11T06:00

AstronomyCast 320: Layers of the Sun by Fraser Cain & Dr. Pamela Gay

319: The Zodiac from 2013-11-04T06:00

AstronomyCast 319: The Zodiac by Fraser Cain & Dr. Pamela Gay

318: Escape Velocity from 2013-10-28T03:46

AstronomyCast 318: Escape Velocity by Fraser Cain & Dr. Pamela Gay

317: Observatories from 2013-10-23T05:50

AstronomyCast 317: Observatories by Fraser Cain & Dr. Pamela Gay

316: Observational vs. Experimental Science from 2013-10-14T05:51

AstronomyCast 316: Observational Vs. Experimental Science by Fraser Cain & Dr. Pamela Gay

315: Particle Accelerators from 2013-10-07T14:41

Who knew that destruction could be so informative? Only by smashing particles together with more and more energy, can we truly tease out the fundamental forces of nature. Join us to discover the di...

314: Acceleration from 2013-09-09T04:55:55

AstronomyCast 314: Acceleration by Fraser Cain & Dr. Pamela Gay

313: Precession from 2013-09-08T15:51:34

AstronomyCast 313: Precession by Fraser Cain & Dr. Pamela Gay

312: The Inverse Square Law&Other Strangeness from 2013-08-06T01:27:06

AstronomyCast 312: The Inverse Square Law & Other Strangeness by Fraser Cain & Dr. Pamela Gay

311: Sound from 2013-07-29T05:12:57

AstronomyCast 311: Sound by Fraser Cain & Dr. Pamela Gay

AstronomyCast 309: Creating a Science-y Society from 2013-07-23T03:01:42

AstronomyCast 309: Creating a Science-y Society by Fraser Cain & Dr. Pamela Gay

308: Climate Change from 2013-07-18T04:21:42

AstronomyCast 308: Climate Change by Fraser Cain & Dr. Pamela Gay

307: The Pacific Ring of Fire from 2013-07-14T19:36:34

AstronomyCast 307: The Pacific Ring of Fire by Fraser Cain & Dr. Pamela Gay

306: Accretion Discs from 2013-07-10T03:27:16

AstronomyCast 306: Accretion Discs by Fraser Cain & Dr. Pamela Gay

305: The Spacecraft That Wouldn't Die from 2013-07-01T01:53:10

AstronomyCast 305: The Spacecraft That Wouldn't Die by Fraser Cain & Dr. Pamela Gay

304: Death of a Spacecraft from 2013-06-25T04:21:26

AstronomyCast 304: Death of a Spacecraft by Fraser Cain & Dr. Pamela Gay

303: Equilibrium from 2013-06-22T21:48:48

AstronomyCast 303: Equilibrium by Fraser Cain & Dr. Pamela Gay

302: Planetary Motion in the Sky from 2013-06-22T19:44:01

AstronomyCast 302: Planetary Motion in the Sky by Fraser Cain & Dr. Pamela Gay

Ep. 301: Planetary Migration from 2013-05-19T20:40:14

AstronomyCast 301: Planetary Migration by Fraser Cain & Dr. Pamela Gay

Ep. 295: The Observable Universe from 2013-05-19T19:49:23

AstronomyCast 295: The Observable Universe by Fraser Cain & Dr. Pamela Gay

Ep. 300: What We've Learned in Almost 7 Years from 2013-05-19T19:47:42

AstronomyCast 300: What We've Learned in Almost 7 Years by Fraser Cain & Dr. Pamela Gay

Ep. 299: Space Stations, Pt. 4: Future Space Stations from 2013-05-18T22:54:23

AstronomyCast 299: Space Stations, Pt. 4: Future Space Stations by Fraser Cain & Dr. Pamela Gay

Ep. 298: Space Stations, Pt. 3: The International Space Station from 2013-05-18T00:06:33

AstronomyCast 298: Space Stations, Pt. 3: The International Space Station by Fraser Cain & Dr. Pamela Gay

Ep. 297: Space Stations, Pt. 2: Mir from 2013-05-15T03:14:12

AstronomyCast297: Space Stations, Pt. 2: Mir, by Fraser Cain & Dr. Pamela Gay

Ep. 296: Spacestations, pt. 1 from 2013-05-14T03:12:30

AstronomyCast 296: Spacestations, pt. 1, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - May 3rd, 2013 from 2013-05-04T00:32:22

Ep. 294: Arecibo Observatory from 2013-04-18T02:09:40

AstronomyCast 294: Arecibo Observatory, by Fraser Cain & Dr. Pamela Gay

Ep. 293: Earthquakes from 2013-04-03T04:54:47

AstronomyCast 293: Earthquakes, by Fraser Cain & Dr. Pamela Gay

Ep. 292: The Oort Cloud from 2013-03-25T05:02:04

AstronomyCast 292: The Oort Cloud, by Fraser Cain & Dr. Pamela Gay

Ep. 291: Shockwaves from 2013-03-19T00:47:35

AstronomyCast 291: Shockwaves, by Fraser Cain & Dr. Pamela Gay

Ep. 290: Failed Stars from 2013-03-18T05:04:53

AstronomyCast 290: Failed Stars, by Fraser Cain & Dr. Pamela Gay

Ep. 289: Cherenkov Radiation from 2013-03-12T04:27:53

AstronomyCast 289: Cherenkov Radiation, by Fraser Cain & Dr. Pamela Gay

Ep. 288: Phases of Matter from 2013-02-26T05:44

AstronomyCast 288: Phases of Matter, by Fraser Cain & Dr. Pamela Gay

Ep. 287: E = mc2 from 2013-02-18T00:24

AstronomyCast 287: E = mc2, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout Feb 15, 2013 from 2013-02-16T01:28:52

Ep. 283: Stellar Motion from 2013-02-13T01:55:28

AstronomyCast 283: Stellar Motion, by Fraser Cain & Dr. Pamela Gay

Ep. 286: How to Debunk and End-of-the-World Myth from 2013-02-13T01:31:23

AstronomyCast 286: How to Debunk and End-of-the-World Myth, by Fraser Cain & Dr. Pamela Gay

Ep. 285: How the World Will Really End from 2013-02-11T02:48

AstronomyCast 285: How the World Will Really End, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout Feb 8, 2013 from 2013-02-08T22:32:20

Weekly Space Hangout Feb 1, 2013 from 2013-02-04T15:51:42

Weekly Space Hangout - Jan 18, 2013 from 2013-01-25T22:39:23

Ep. 284: Optics from 2013-01-19T23:42

AstronomyCast 284: Optics, by Fraser Cain & Dr. Pamela Gay

Ep. 282: Seasons from 2013-01-08T07:21:19

AstronomyCast 282: Seasons, by Fraser Cain & Dr. Pamela Gay

Ep. 281: Explosions in Space from 2012-12-13T13:27:52

AstroCast 281: Explosions in Space, by Fraser Cain & Dr. Pamela Gay

Ep. 280: The Cosmological Constant from 2012-12-11T04:29:13

AstronomyCast 280: The Cosmological Constant, by Fraser Cain & Dr. Pamela Gay

Ep. 279: The Hubble Constant from 2012-12-04T06:38:08

AstronomyCast 279: The Hubble Constant, by Fraser Cain & Dr. Pamela Gay

Ep. 278: Animals in Space from 2012-11-13T04:53:52

AstronomyCast 278: Animals in Space, by Fraser Cain & Dr. Pamela Gay

Ep. 277: Orbit from 2012-11-06T02:03:22

AstronomyCast 277: Orbit, by Fraser Cain & Dr. Pamela Gay

Ep. 276: XMM Newton from 2012-10-30T04:52:56

AstronomyCast 276: XMM Newton, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout-Oct 25, 2012 from 2012-10-27T03:17:20

Mobile App: Phases of the Moon from 2012-10-25T21:05:02

Universe Today needs your help. Support the site and enrich your life at the same time by buying our mobile app: Phases of the Moon, for both Android and iPhone. The app is only $.99 in the store ...

Ep. 275: Isaac Newton, Pt. 1 from 2012-10-16T04:22:58

AstronomyCast 275: Isaac Newton, Pt. 1, by Fraser Cain & Dr. Pamela Gay

Ep. 274: The Asteroid Vesta from 2012-10-15T05:02:55

AstronomyCast 274: The Asteroid Vesta, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 273: Solutions to the Fermi Paradox from 2012-10-08T02:09:31

AstronomyCast 273: Solutions to the Fermi Paradox, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Oct 4, 2012 from 2012-10-04T19:36:12

Weekly Space Hangout Sep 27, 2012 from 2012-10-01T21:36:06

Weekly Space Hangout Sep 20, 2012 from 2012-10-01T21:33:49

AstronomyCast 272: Abiogenesis from 2012-10-01T04:49:08

AstronomyCast 272: Abiogenesis, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 271: Who Does What in Space&Astronomy? from 2012-09-18T04:34:30

AstronomyCast 271: Who Does What in Space & Astronomy? by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Sep. 13, 2012 from 2012-09-17T16:28:29

AstronomyCast: Live from DragonCon 2012 from 2012-09-11T04:57

AstronomyCast: Live from DragonCon 2012, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 270: Inertia from 2012-09-09T21:17:12

AstronomyCast 270: Inertia, by Fraser Cain & Dr. Pamela Gay

Live coverage of the Curiosity Landing on August 5th, 2012 from 2012-07-31T18:45:02

Astronomy Cast on Hiatus for the Summer from 2012-07-31T17:48:39

We'll be back for with a live show at Dragon*Con 2012 at the Labor Day Weekend.

AstronomyCast 269: Mass from 2012-07-16T03:00:06

AstronomyCast 269: Mass, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - July 12, 2012 from 2012-07-12T20:25:14

This week we talk about the new moon discovered orbiting Pluto (P5), New Horizons doing science in it's sleep, a southern polar vortex on Titan, and Pluto moon orbits, et cetera. We are joined by R...

AstronomyCast 268: Energy from 2012-07-10T03:22:28

AstronomyCast 268: Energy, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 267: Infinities from 2012-07-08T00:39:34

AstronomyCast 267: Infinities, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - July 5, 2012 from 2012-07-05T18:48:05

Weekly Space Hangout - June 28, 2012 from 2012-06-28T20:57:52

Ep. 266: Archimedes from 2012-06-26T05:29

It's time to look deep into history to the birthplace of modern mathematics - Ancient Greece. And the most famous mathematician of the time was Archimedes. We use many of his mathematical theories ...

265: Arthur Eddington from 2012-06-24T00:52

We can thank Arthur Eddington for much of our current understanding of stars. He provided some of the breakthrough concepts that explain what's going on, deep inside the hottest places in the Unive...

Weekly Space Hangout - June 21, 2012 from 2012-06-22T02:20:01

This week we talk about: Black Holes as particle detectors, New advances in Chinese space exploration, Asteroid research, History of women in space. We're joined by Amy Shira Teitel, Alan Boyle, Ia...

Weekly Space Hangout - June 14, 2012 from 2012-06-22T02:12:04

This week we talk about: Lakes on Titan, Mars Curiosity landing, Earth-type worlds more common, NuSTAR Mission launch. We are joined by Amy Shira Teitel, Emily Lakdawalla, and Nicole Gugliucci

AstronomyCast 264: The Hazards of Space Flight from 2012-06-20T04:13:07

AstronomyCast 264: The Hazards of Space Flight, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 263: Radioactive Decay from 2012-06-14T02:54:08

AstronomyCast 263: Radioactive Decay, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 262: Solar Sails from 2012-06-14T00:02:03

AstronomyCast 262: Solar Sails, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - June 7, 2012 from 2012-06-07T21:20:43

In this week's Weekly Space Hangout, we talk about the Transit of Venus, the transfer of the space shuttle Enterprise, the future of commercial space exploration, and the new movie Prometheus. We'r...

AstronomyCast 261: Lasers&Masers in Astronomy from 2012-06-05T03:54

AstronomyCast 261: Lasers & Masers in Astronomy, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - May 31, 2012 from 2012-05-31T23:21:01

In this episode of the Weekly Space Hangout, we're joined by special guest Robert Nemiroff from Astronomy Picture of the Day. We also talked about the return of the SpaceX Dragon capsule, a manned ...

AstronomyCast 260: Lasers&Masers from 2012-05-28T07:39:56

AstronomyCast 260: Lasers & Masers, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - May 17, 2012 from 2012-05-23T00:39:17

Sorry for the lack of a Hangout last week, we had massive internet fail in Fraser's home city. This week, we talk about: Building a real starship Enterprise, preparations for the annular solar ecli...

AstronomyCast 259: The Exploration of Venus from 2012-05-07T04:21:56

AstronomyCast 259: The Exploration of Venus, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 258: Viking Landers from 2012-05-04T08:50:04

AstronomyCast 258: Viking Landers, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - May 3, 2012 from 2012-05-04T00:07:52

In this episode we talked about asteroid mining, SpaceX delays, Shuttle retirement, killer black holes, supermassive planets (aka brown dwarfs), Enceladus/Dione flybys, and missions to Jupiter.

AstronomyCast 257: Viking Orbiter from 2012-04-06T03:36:13

AstronomyCast 257: Viking Orbiter, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 256: Resolution from 2012-03-14T05:23:54

AstronomyCast 256: Resolution, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 254: Reflection&Refraction from 2012-03-09T06:38:52

AstronomyCast 254: Reflection & Refraction, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Mar. 8, 2012 from 2012-03-08T20:46:43

In this episode of the Weekly Space Hangout, we talk about two different asteroid close passes, the solar storms buffeting the Earth, a recent space exploration conference, and a team of amateur as...

AstronomyCast 255: Observing Hydrogen from 2012-03-08T04:25:36

AstronomyCast 255: Observing Hydrogen, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Mar. 1, 2012 from 2012-03-02T19:29:24

Another week, another space roundup. This week we talk about the redefinition of the term "Earthlike", salty soil on Mars, how you can participate in SETI, asteroid dust from Hayabusa, and the dang...

AstronomyCast 253: Rayleigh Scattering from 2012-02-26T01:43:08

AstronomyCast 253: Rayleigh Scattering, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Feb. 23, 2012 from 2012-02-24T22:26:24

Weekly Space Hangout - Feb. 16, 2012 from 2012-02-16T21:21:07

AstronomyCast 251: Messier Objects from 2012-02-14T06:09:05

AstronomyCast 251: Messier Objects, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Feb. 9, 2012 from 2012-02-13T18:43:52

Weekly Space Hangout - Feb. 2, 2012 from 2012-02-13T16:36:48

AstronomyCast 252: Heisenberg's Uncertainty Principle from 2012-02-13T06:00

AstronomyCast 252: Heisenberg's Uncertainty Principle, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 250: Precision from 2012-02-09T04:46:20

AstronomyCast 250: Precision, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 249: Schrödinger's cat from 2012-02-01T06:48

AstronomyCast 249: Schrödinger's cat, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 248: The Carina Constellation from 2012-01-31T04:30

AstronomyCast 248: The Carina Constellation, by Fraser Cain & Dr. Pamela Gay

Weekly Space Hangout - Jan. 26, 2012 from 2012-01-26T22:01:13

Another edition of our weekly space hangout. This week we talked about a week of space remembrance, solar storms, Newt's plans for a 2020 lunar base, arsenic and old news, black holes and their gal...

AstronomyCast 247: The Ages of Things from 2012-01-23T06:55:23

AstronomyCast 247: The Ages of Things, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 246: What If Something Was Different from 2012-01-20T04:37:12

AstronomyCast 246: What If Something Was Different, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 245: Calendars from 2012-01-09T05:36:32

AstronomyCast 245: Calendars, by Fraser Cain & Dr. Pamela Gay

Discovery of Earth-Sized Planets - Google+ Hangout from 2011-12-22T05:54:49

This is a Google+ Hangout we did to discuss the announcement of Earth-sized planets discovered by NASA's Kepler mission. Moderated by Fraser Cain from Universe Today/Astronomy Cast, with Nancy Atki...

AstronomyCast 244: Io from 2011-12-20T05:19:55

AstronomyCast 244: Io, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 243: The Tunguska Event from 2011-12-19T01:55

AstronomyCast 243: The Tunguska Event, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 242: The Turino Scale from 2011-12-04T23:30:52

AstronomyCast 242: The Turino Scale, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 241: Astrophotography | Pt. 3: Image Processing from 2011-12-01T20:17:07

AstronomyCast 241: Astrophotography | Pt. 3: Image Processing by Fraser Cain & Dr. Pamela Gay

AstronomyCast 240: Astrophotography | Pt. 2: Techniques from 2011-11-27T22:51:12

AstronomyCast 240: Astrophotography | Pt. 2: Techniques, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 239: Astrophotography | Pt. 1: The Gear from 2011-11-19T10:43:07

AstronomyCast 239: Astrophotography | Pt. 1: The Gear, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 238: Solar Activity from 2011-11-08T21:21:34

AstronomyCast 238: Solar Activity, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 237: Spooky Space Sounds from 2011-11-01T04:40:02

AstronomyCast 237: Spooky Space Sounds, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 236: Einstein Was Right from 2011-10-24T06:57:10

AstronomyCast 236: Einstein Was Right, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 235: Einstein from 2011-10-17T00:29:46

AstronomyCast 235: Einstein, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 234: Lunar Phases from 2011-10-10T05:00

AstronomyCast 234: Lunar Phases, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 233: Radar from 2011-10-04T00:47:08

AstronomyCast 233: Radar, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 232: Galileo Spacecraft from 2011-09-29T01:38:38

AstronomyCast 232: Galileo Spacecraft, by Fraser Cain & Dr. Pamela Gay

AstronomyCast: Live at Dragon*Con from 2011-09-26T06:56:57

AstronomyCast: Live at Dragon*Con, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 231: Galileo Galilei from 2011-09-01T22:26:01

AstronomyCast 231: Galileo Galilei, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 230: Christiaan Huygens from 2011-08-31T04:32:44

AstronomyCast 230: Christiaan Huygens, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 229: The Cassini Mission from 2011-08-28T16:35:15

AstronomyCast 229: The Cassini Mission, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 228: Giovanni Cassini, Pt. 1 from 2011-07-27T17:17:30

AstronomyCast 228: Giovanni Cassini, Pt. 1, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 227: The Big Dipper from 2011-07-25T03:30:18

AstronomyCast 227: The Big Dipper, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 226: Weather from 2011-07-21T03:39:52

AstronomyCast 226: Weather, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 225: Ice in Space from 2011-07-16T22:44

AstronomyCast 225: Ice in Space, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 224: Orion from 2011-06-26T20:47:20

AstronomyCast 224: Orion, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 223: The Transit of Venus from 2011-06-22T22:05:44

AstronomyCast 223: The Transit of Venus, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 222: The Decadal Survey from 2011-05-26T19:18:38

AstronomyCast 222: The Decadal Survey, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 221: Geomorphology from 2011-05-12T03:42:42

AstronomyCast 221: Geomorphology, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 220: Mass Extinction Events from 2011-04-10T18:47:37

AstronomyCast 220: Mass Extinction Events

AstronomyCast 219: The Planck Mission from 2011-04-01T00:34:15

AstronomyCast 219: The Planck Mission, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 217: Stellar Classification from 2011-04-01T00:32:04

AstronomyCast 217: Stellar Classification, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 218: Max Planck Pt. 1 from 2011-03-29T19:42

AstronomyCast 218: Max Planck Pt. 1, by Fraser Cain and Dr. Pamela Gay

AstrnomyCast 216: Archeo-Astronomy from 2011-03-03T04:25

AstrnomyCast 216: Archeo-Astronomy, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 215: Light Echoes from 2011-03-01T02:48

AstronomyCast 215: Light Echoes, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 214: Space Tourism from 2011-02-26T20:00:13

AstronomyCast 214: Space Tourism, by Fraser Cain & Dr. Pamela Gay

AstronomyCast 213: Supermassive Black Holes from 2011-02-09T23:59:36

AstronomyCast 213: Supermassive Black Holes

AstronomyCast 212: GPS Navigation from 2011-02-02T22:14

  AstronomyCast 212: GPS Navigation, by Fraser Cain & Dr. Pamela Gay  

AstronomyCast 211: Celestial Navigation from 2011-01-01T00:23:01

AstronomyCast 211: Celestial Navigation

AstronomyCast 210: The Mars Exploration Rovers: Spirit&Opportunity from 2010-12-29T01:55:48

AstronomyCast 210: The Mars Exploration Rovers: Spirit & Opportunity

AstronomyCast 209: Exotic Life from 2010-12-13T03:18

AstronomyCast 209: Exotic Life

AstronomyCast 208: The Spitzer Space Telescope from 2010-11-22T20:08:31

AstronomyCast 208: The Spitzer Space Telescope

AstroCast 207: Lyman Spitzer from 2010-11-19T17:05:41

AstroCast 207: Lyman Spitzer

AstronomyCast 206: Fission from 2010-11-13T23:05:48

AstronomyCast 206: Fission

AstronomyCast 205: Fusion from 2010-11-09T20:39:11

AstronomyCast 205: Fusion

AstronomyCast 204: Temperature from 2010-10-25T05:00

AstronomyCast 204: Temperature

AstronomyCast 203: Europa from 2010-10-19T19:23:38

AstronomyCast 203: Europa

AstronomyCast 202: The Planets at Gliese 581 from 2010-10-11T05:00

AstronomyCast 202: The Planets at Gliese 581

AstronomyCast 201: Titan from 2010-10-04T05:00

AstronomyCast 201: Titan

AstronomyCast 200: The Mariner Program from 2010-09-27T05:00

AstronomyCast 200: The Mariner Program

AstronomyCast 199: The Voyager Program from 2010-09-20T05:00

AstronomyCast 199: The Voyager Program

AstronomyCast 198: How is a Space Mission Chosen? from 2010-09-16T23:01:25

AstronomyCast 198: How is a Space Mission Chosen?

AstronomyCast 196: Luminosity&Magnitude from 2010-09-13T01:40:33

AstronomyCast 196: Luminosity & Magnitude

Astronomy Cast 197: Live from Dragon*Con 2010 from 2010-09-08T04:45:43

AstronomyCast 195: Planetary Rings from 2010-08-03T23:42:51

AstronomyCast 195: Planetary Rings by Fraser Cain & Dr. Pamela Gay

AstronomyCast 194: Dwarf Planets from 2010-07-30T17:51:20

AstronomyCast 194: Dwarf Planets

AstronomyCast 193: Astronomy with the Unaided Eye from 2010-07-06T23:48:14

AstronomyCast 193: Astronomy with the Unaided Eye

AstronomyCast 192: The Chandra X-Ray Observatory from 2010-06-29T20:43:34

AstronomyCast 192: The Chandra X-Ray Observatory

AstronomyCast 191: Chandrasekhar from 2010-06-29T20:40

AstronomyCast 191: Chandrasekhar

AstronomyCast 190: The Kepler Mission from 2010-06-29T20:36:29

AstronomyCast 190: The Kepler Mission

AstronomyCast 189: Johannes Kepler and His Laws from 2010-06-29T20:33:51

AstronomyCast 189: Johannes Kepler and His Laws

AstronomyCast 187: The History of Astronomy | Pt. 5, The 20th Century from 2010-06-14T23:54:51

AstronomyCast 187: The History of Astronomy | Pt. 5, The 20th Century

AstronomyCast 188: The Future of Astronomy from 2010-06-14T23:54:05

AstronomyCast 188: The Future of Astronomy

AstronomyCast 186: History of Astronomy | Pt. 4, Beginning of Modern Astronomy from 2010-05-27T18:37

AstronomyCast 186: History of Astronomy | Pt. 4, Beginning of Modern Astronomy

Audible Ad: AstroCast 185 from 2010-05-25T21:18:49

AstronomyCast 185: History of Astronomy | Pt. 3, The Renaissance from 2010-05-25T21:18

AstronomyCast 185: History of Astronomy | Pt. 3, The Renaissance

AstronomyCast 184: History of Astronomy | Pt. 2, The Greeks from 2010-05-07T22:50:59

AstronomyCast 184: History of Astronomy | Pt. 2, The Greeks

AstronomyCast 182: Astrometry from 2010-04-28T19:01:25

AstronomyCast 182: Astrometry

AstronomyCast 181: Rotation from 2010-04-21T03:09:45

AstronomyCast 181: Rotation

AstronomyCast 180: Albedo from 2010-04-17T20:09

AstronomyCast 180: Albedo

AstronomyCast 179: Mysteries of the Universe, pt. 2 from 2010-04-10T22:57:22

AstronomyCast 179: Mysteries of the Universe, pt. 2

AstronomyCast 178: Mysteries of the Universe, pt. 1 from 2010-04-07T18:02:16

AstronomyCast 178: Mysteries of the Universe, pt. 1

AstronomyCast 84: Getting Around the Solar System from 2010-03-24T21:57:43

AstronomyCast 84: Getting Around the Solar System

AstronomyCast 177: Mysteries of the Milky Way, pt. 2 from 2010-03-17T18:57:14

AstronomyCast 177: Mysteries of the Milky Way, pt. 2

AstronomyCast 176: Mysteries of the Milky Way, pt. 1 from 2010-03-10T02:10:27

AstronomyCast 176: Mysteries of the Milky Way, pt. 1

AstronomyCast 175: Mysteries of the Universe, pt. 2 from 2010-03-02T07:14

AstronomyCast 175: Mysteries of the Universe, pt. 2

AstronomyCast 174: Mysteries of the Universe, pt. 1 from 2010-02-24T06:02:07

AstronomyCast 174: Mysteries of the Universe, pt. 1

AstronomyCast 173: The Herschel Space Observatory from 2010-02-17T01:41:16

AstronomyCast 173: The Herschel Space Observatory

Ep. 26: The Largest Structures in the Universe from 2010-02-11T22:30

This week we continue the story of galaxy formation, learning how groups of galaxies come together to form the biggest structures around – galaxy superclusters. And when you look at the Universe at...

AstronomyCast 172: William Herschel from 2010-02-10T04:07

AstronomyCast 172: William Herschel

AstronomyCast 171: Solar System Movements&Positions from 2010-02-10T03:58

AstronomyCast 171: Solar System Movements & Positions

AstronomyCast 170: Coordinate Systems from 2010-02-02T02:56:54

AstronomyCast 170: Coordinate Systems

AstronomyCast 169: The Fermi Mission from 2010-02-01T21:01:11

AstronomyCast 169: The Fermi Mission

AstronomyCast 168: Enrico Fermi from 2010-01-26T21:27

Ep. 15: Listener Questions Answered from 2006-12-18T17:38

We finally get organized enough deal with several listener questions: isnâ??t dark matter just regular stuff we canâ??t see? how can parts of the Universe be expanding faster than the speed of ligh...