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Astronomy Cast

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Apr 6, 2020

564: Mini Moons

Astronomy Cast 564: Mini Moons

by Fraser Cain & Dr. Pamela Gay

Last month astronomers announced that they had detected a tiny asteroid that had been captured by the Earth's gravity well and had been sharing our orbit for a few years. Today, let's talk about the smallest moons in the Solar System.


Mar 30, 2020

563: White Dwarf Mergers

Astronomy Cast 563: White Dwarf Mergers

by Fraser Cain & Dr. Pamela Gay

White dwarfs are usually about 60% the mass of the Sun, so it was a bit of a surprise when astronomers found one that was almost exactly twice that. What happens when white...


Mar 23, 2020

562: Dealing with COVID-19 and the Changes it will Bring

Astronomy Cast 562: Dealing with COVID-19 and the Changes it will Bring

by Fraser Cain & Dr. Pamela Gay

Pamela and Fraser discuss the implications of COVID-19 and it's changes on the world, and what we all can do during this time.

 


Mar 6, 2020

561: Remembering Katherine Johnson

Astronomy Cast 561: Remembering Katherine Johnson

by Fraser Cain & Dr. Pamela Gay

We lost a bright star here on planet Earth last week. NASA mathematician Katherine Johnson passed away at the age of 101, after an incredible career of helping humans land on the Moon. If you saw the...


Feb 24, 2020

560: Betelgeuse

Astronomy Cast 560: Betelgeuse

by Fraser Cain & Dr. Pamela Gay

You might be surprised to hear that we've never done an episode of Astronomy Cast featuring Betelgeuse. Well, good news, this is that episode. Let's talk about the star, why it might be dimming, and what could happen if it explodes as a...