Walkabout the Galaxy

We all know Mars is crunchy on the outside, but does it have a chewy center? The NASA Mars InSight mission is en route to the red planet to answer that question. The astroquarks talk about InSight's science and instruments, Han Solo, and Richard Feynman in another wide-ranging episode of Walkabout the Galaxy!

Direct download: Does_Mars_Have_a_Chewy_Center_.mp3
Category:Science -- posted at: 8:37pm EDT