How big is the Churyumov-Gerasimenko comet http://boingboing.net/2014/08/21/how-big-is-the-churyumov-geras.html …
1:09 PM - 21 Aug 2014
0 replies
6 retweets
1 like
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.