ALT: a man wearing glasses and a blue suit is standing on a street and says `` oh , behave ! ''

ALT: a man in a futuristic suit is standing in a dark room with blue lights

ALT: a man in a white shirt is sitting on a chair with his arms outstretched and smiling .

ALT: a man in a blue shirt is sitting in a chair with his hands up .

An edge-on protoplanetary disk looks like two force fields smashing together in deep space.

YouTube video by Global Weirding with Katharine Hayhoe