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Astronomy Cast

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Jan 17, 2022

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 things have we learned about Mercury? Or even new questions! Fortunately there’s a mission on the way to help us get...


Jan 10, 2022

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 planets, Mercury, Venus, Earth and Mars. What have we learned about the formation, evolution and what they might tell us...


Dec 20, 2021

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 last year and talk about what we're looking forward to in 2022.


Dec 13, 2021

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. There's a surprising variety of rocky material in the Solar System, and each object has a story to tell about the history and...


Dec 6, 2021

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’re in a shooting gallery of space rock and metal. And somewhere out there there’s one with our name on it. Should we be...