|
|
|
|
|
by homeomorphic
4712 days ago
|
|
A nice exhibition of Mars Direct can be seen in the documentary The Mars Underground [1]. There's also Zubrin's book [2]. [1] https://www.youtube.com/watch?v=uDWvsdEYSqg (I don't know the copyright status of this, but it's been on YouTube for well over a year with many views). [2] Robert Zubrin. The Case for Mars. |
|