One of the coolest GIFs we've ever seen: a rotating, 3D nebulaRobbie Gonzalez10/10/12 10:20am43EditPromoteGo to permalink Things that GIFs are good for, in no particular order: 1. Cats. This one, specifically. 2. IWDRM 3. Absolutely jaw-dropping 3D renderings of astronomical bodies. Like this one, created by astrophotographer J-P Metsävainio, of a star cluster named IC 1396.