Week 20 (May 14 - May 20) - a podcast by 365DaysOfAstronomy.org

The 7 days of 365 Days of Astronomy for week 20 2009. This week the shows include:

* May 14: A Tour of Sydney Observatory by The Skeptic Zone Podcast.
* May 15: Giant Pulses in the Crab by Sue Ann Heatherly.
* May 16: Back to the Dark Ages: Responsible Nighttime Lighting by Connie Walker and Rob Sparks.
* May 17: Citizen Scientists - Making a Difference and Having Fun by Tavi Greiner and Rob Keown.
* May 18: Life of a Proton by Nik Whitehead.
* May 19: When Did Galileo Really Learn About the Telescope? by Mark Thompson.
* May 20: The Missing Cosmonauts by Brian Dunning.

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