It is difficult to picture ourselves in the Milky Way. We can put Earth in a line of planets. But beyond that, what? http://aeonm.ag/1sLGCCy
7:01 AM - 20 May 2014
0 replies
4 retweets
5 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.