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Astronomy Cast

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Nov 28, 2022

Astronomy Cast Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies

by Fraser Cain & Dr. Pamela Gay

Moons orbit planets, planets orbit stars, stars orbit within galaxies. It’s orbits all the way down. But occasionally objects can receive a powerful kick that sends them on a journey, never...

Nov 14, 2022

Astronomy Cast Ep. 659: Clear Skies, Bright Satellites

by Fraser Cain & Dr. Pamela Gay

Streamed live on Nov 8, 2022.

Light pollution is big problem and it’s only getting worse. Not just near cities, but everywhere thanks to increased satellite constellations. How bad is the problem, and how can we fix it?


Nov 7, 2022

Astronomy Cast Ep. 658: Space Exploration Horror Stories

by Fraser Cain & Dr. Pamela Gay

Streamed live on Oct 31, 2022.

We’re recording this episode on Halloween, so how could we resist but take advantage of this opportunity. Space is already terrifying enough, you know, with the vast endless emptiness, the...

Oct 17, 2022

Astronomy Cast Ep. 657: Astronomical Naming Schemes

by Fraser Cain & Dr. Pamela Gay

Space is a big place, with lots of galaxies, stars, planets, moons, and that means a lot of names. So how do astronomers name stuff, like comets, asteroids, exoplanets, craters?


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Oct 10, 2022

Astronomy Cast Ep. 656: Smashing Asteroids for Science!

by Fraser Cain & Dr. Pamela Gay

Streamed live Oct 3rd.

This week we saw the incredible image of DART smashing into asteroid Dimorphous. Beyond avenging the dinosaurs, what can we learn scientifically from this and other asteroid/comet impact missions.