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Astronomy Cast

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Jan 31, 2022

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 right over there. Fortunately, there's a fleet of spacecraft and ground observatories ready to give our best ever view of the...

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...