Well, c'mon, space is hard, very hard. Extra-orbital space a lot harder. And interplanetary space almost unthinkably hard. And that's without people. Now ad

Well, c'mon, space is hard, very hard. Extra-orbital space a lot harder. And interplanetary space almost unthinkably hard. And that's without people. Now add humans to that equation. Not easy. I mean, we could barely refrigerate food 100~150 years ago and now we are developing technology to build habitats on another planet? How cool is that?