The amount of free “capital” (if you will) for maintaining life that you get on Earth is truly enormous. The mind strains to imagine the costs of building and m

The amount of free “capital” (if you will) for maintaining life that you get on Earth is truly enormous. The mind strains to imagine the costs of building and maintaining all that somewhere that has almost none of it, and is very far from Earth. Other planets are… kind super-duper terrible. Space itself is even worse.