(643) What if we aimed the Hubble Telescope at Earth? - YouTube
(643) What if we aimed the Hubble Telescope at Earth? - YouTube Get a copy of What If? 2 and Randall’s other books at: https://xkcd.com/booksMore serious answers to absurd questions at: https://what-if.xkcd.com/If you poi...astronomytelescopexkcdLINK