Buzz Aldrin, the second man to step onto the Moon, now is an eager advocate of a mission to Mars. He’s rallying supporters on Twitter under the hashtag #GYATM (Get Your Ass to Mars).
Buzz Aldrin, the second man to step onto the Moon, now is an eager advocate of a mission to Mars. He’s rallying supporters on Twitter under the hashtag #GYATM (Get Your Ass to Mars).