Episode 602: Q&A 110: Why Can't I Just Be Realistic About Mars? And More...

Universe Today Podcast · Dec 12, 2019 · 25m

In this week's questions show, I explain why I don't think we always need to be realistic, if galaxies in the local group are bound together gravitationally, and what we should call Earth-moving equipment on Mars.00:20 Be realistic.04:24 Are galaxies in the local group bound?05:56 Will gravitational waves give us advanced notice of collisions?08:36 Will we ever be able to live outside on Mars?10:16 Are we going to ruin Mars too?12:42 Mars-moving equipment?14:07 Could the Moon have an atmosphere?15:51 Liquid water on the surface of Mars16:49 Is there a business case for Mars?19:17 What about…