Trying to picture what it would cost to use reusable Falcon rockets to send humans to Mars Vs multiple SLS rockets at $1billion+ each.— NASA Watch (@NASAWatch) December 22, 2015 @NASAWatch Over the life of SLS, it'll cost NASA...
from NASA Watch http://ift.tt/1JqBfSd
via IFTTT
沒有留言:
張貼留言