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Astronomy Cast

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Sep 14, 2020

Astronomy Cast 577: Mars in Opposition

by Fraser Cain & Dr. Pamela Gay

Every 2 years or so Mars lines up nicely with the Earth. It takes only 2 minutes to communicate with the rovers. You can see the polar ice caps in a small telescope. And it's the best time to send your spacecraft to the Red Planet. 

Oct 3rd: Moon &...


Jun 29, 2020

Astronomy Cast Ep. 576: Summer Stargazing Special

by Fraser Cain & Dr. Pamela Gay

It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the night sky. But before we say goodbye, we'd like to make a few suggestions.


Jun 22, 2020

Astronomy Cast Ep. 575: Observing The Moon

by Fraser Cain & Dr. Pamela Gay

As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, something occurred to us. What if we actually pointed our telescopes at the Moon? What would we see?

The Lunar "X" that Fraser...


Jun 15, 2020

Astronomy Cast Ep. 574: Trojan Asteroids

by Fraser Cain & Dr. Pamela Gay

We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of asteroids that orbit the Sun with Jupiter called the Trojans. And soon we may actually get a chance to see them up close!


Jun 8, 2020

Astronomy Cast Ep. 573: Exoplanet Atmospheres

Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years away. What can we learn about these other worlds and maybe even signs of life.