And there's no one there to raise them, if you did.

Zach and Rafe welcome back Bob Luzenski, America's Favorite Rocket Scientist, to continue the discussion of missions to Mars.  They tackle the details of making fuel from water and any carbon dioxide that might be lying around, the timing of such a trip, and the insane brutality of Mars' harsh climate and how Venus is even worse.

In the end, if Humanity is going to be multi-planetary, we've got The Moon and The Mars and that's about it, so the question becomes a more philosophical Why Should We Go?

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