I'm the OP of the Neil deGrasse Tyson Gif
I posted this gif a few days ago and removed it after it got lost in user sub with about 30 points. Someone must have grabbed it and the repost made it to the front page. In the comments I saw some people requesting source so I figured I'd post some variants of the Gif (to get the fake internet point I deserve).
It's taken from the Cosmos TV Show intro, I edited it so it loops.
Read more: http://imgur.com/gallery/dpYZH