Neil deGrasse Tyson
@neiltyson
Astrophysicist
ID:19725644
http://www.neildegrassetyson.com 29-01-2009 18:40:26
8,1K Tweets
14,6M Followers
28 Following
@neiltyson
Astrophysicist
ID:19725644
http://www.neildegrassetyson.com 29-01-2009 18:40:26
8,1K Tweets
14,6M Followers
28 Following