DART Successor, Fixing Space Debris, Viking Missions Controversy | Q&A 197

If Moon was created with a big collision, where's the crater? Can we fix the space trash problem? Is doing Astronomy just a waste of money that can be better spent elsewhere? What will come after DART? All this and more in this week's Q&A.

Watch the video here (with no ads) or on my YouTube channel: https://youtu.be/gLlzt0Vwn1A

Here's a link to the full, unedited live stream: https://youtu.be/dgYDBR3Xx08

DART Successor, Fixing Space Debris, Viking Missions Controversy | Q&A 197 (Vimeo)