November 23rd, 2021 • 21 mins 58 secs • Download (20.1 MB) • Link with Timestamp
In this week's live Q&A, I explain what would happen if we build a particle accelerator around the entire Moon (and what would happen if it generated a black hole), if you can ice skate on Pluto, and is it better to do sample return missions or explore with rovers and landers.