3 ms·
If you can guarantee #2, doesn't #1 become much more difficult?
by mlrtime 12y ago
If you can guarantee #2, doesn't #1 become much more difficult?
- brudgers 12y agoNot really. Either we are going to inhabit Mars as residents or just spend money on space tourism. If we're intending to inhabit it, then the deal has to be one way. Otherwise, sending machines is vastly more cost effective.