Galaxy Used as Cosmic Telescope to Peer Back in Time - a podcast by Dr. Pamela Gay & Annie Wilson

from 2022-05-19T19:56:43

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With a groundbreaking technique, astronomers have used a galaxy as a gravitational lens to backlight two hydrogen clouds, peering back 11 billion light-years at our early universe. Plus, volcano water on the Moon, a quadruple star system, and this week’s What’s Up takes a careful look at the Sun.