“It’s actually shocking to me, in hindsight, that I was able to do this,” says former @NASA astronaut and HMS grad Robert Satcher Jr. of walking in spacehttp://hvrd.me/pp3130pRgC3
0 replies
5 retweets
15 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.