Category | Astronomy Cast

By Astronomy Cast on September 30, 2019 in
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How old are Saturn’s rings? They could be brand new, or they could be as ancient as the Solar System itself. more at #365DaysOfAstro

By Astronomy Cast on September 23, 2019 in
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Thanks to Hayabusa 2 & OSIRIS-REx, we can learn more about this piles of rubble. A fascinating piles of rubble. Let’s talk about what we’ve learned so far. #365DaysOfAstro

By Astronomy Cast on September 16, 2019 in
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We took a hiatus this summer, but SpaceX sure didn’t, with the tests of the Starhopper prototype. Today we’re going to talk about the revolution in reusable rocketry and quest to build a fully reusable two-stage rocket.

By Astronomy Cast on September 9, 2019 in
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This week we wonder if you can made a black hole by accelerating a mass, but then can you un-make it again? Will the Earth ever be tidally locked to the Sun? And can dark matter crush an unsuspecting space ship?

By Astronomy Cast on September 2, 2019 in
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This week we wonder if the Universe is going to collapse and then expand again, how satellites can have such different velocities, and the size of the observable Universe.