With a big enough telescope and some good fortune, an amateur astronomer can look into the sky and see humans at the space station. Here’s the proof. On March 21, 2009, astronaut Joe Acaba stepped into space for some extravehicular activity. Down on Earth, Ralf Vandebergh was in his backyard, pointing a 10 inch-telescope at the I.S.S.

See original: Spacewalking Astronauts Seen With Backyard Telescope (w/VID)