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Astronomy Cast

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Jan 23, 2023


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Streamed live on Jan 17, 2023.

Well, we did it. We made it to episode 666, an auspicious number to be sure. What can we do to celebrate this...

Jan 16, 2023

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. Then, as gas pulled together into the first stars and eventually galaxies, light returned, beginning the Age of...

Jan 9, 2023

Astronomy Cast Ep. 664: The First Stars

by Fraser Cain & Dr. Pamela Gay

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The Sun is a third-generation star, polluted with metals from long-dead suns. Astronomers have also discovered second-generation stars,...

Dec 19, 2022

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 you’re tough, you can handle a little cold. And it’s worth it because there are some wonderful things you can see in the...

Dec 12, 2022

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 about some upcoming missions to say hello to. Some are brand new ideas, others are, uh, recycled.


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