Venkatesh Rao Retweeted Dr. Ian J. O'Neill
This is amateur astronomy of the highest caliber.https://twitter.com/astroengine/status/646736224120664065 …
Venkatesh Rao added,
0 replies
1 retweet
2 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.