How old are Saturn’s rings? They could be brand new, or they could be as ancient as the Solar System itself. Planetary scientists thought they knew the answer thanks to new data from Cassini, but new ideas are calling even that into question.
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17 seasons and more than 600 episodes await.
Ep. 538: Asteroids: Rubble piles of the Solar System
Thanks to all the work from Hayabusa 2 and OSIRIS-REx, astronomers are getting a much better look at the smaller asteroids in the Solar System. It turns out, they’re piles of rubble… but fascinating piles of rubble. Let’s talk about what we’ve learned so far.
Ep. 537: Reusable Rocket Revolution
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.
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