Steward Observatory, University of Arizona
@stewardastro
ID: 1050661753
http://www.as.arizona.edu/ 31-12-2012 16:08:47
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@stewardastro
ID: 1050661753
http://www.as.arizona.edu/ 31-12-2012 16:08:47
1,1K Tweet
1,1K Followers
113 Following
