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What if we aimed the Hubble Telescope at Earth? [video]

• linsomniac 3y ago
  Didn't realize he was doing What If videos. Subscribed!
• DrNosferatu 3y ago
  Wasn't that the original purpose? Hubble is a refurbished spy satellite, right? PS: Moving imaged subject can be fixed with Point Spread Function. https://en.wikipedia.org/wiki/Point_spread_function https://en.wikipedia.org/wiki/Point_spread_function
  • getpost 3y ago
    Yes! https://en.wikipedia.org/wiki/KH-11_KENNEN https://en.wikipedia.org/wiki/KH-11_KENNEN
  • sillywalk 3y ago
    A NASA history of the Hubble,[24] in discussing the reasons for switching from a 3-meter main mirror to a 2.4-meter (94 in) design, states: "In addition, changing to a 2.4-meter mirror would lessen fabrication costs by using manufacturing technologies developed for military spy satellites"[0] ... "In January 2011, NRO donated to NASA two space Optical Telescope Assemblies with 2.4 meters (94 in) diameter primary mirrors... The mirrors are to be used by NASA as the primary and spare for the Roman Space Telescope. "[0][1] [0] https://en.wikipedia.org/wiki/KH-11_KENNEN#Derivatives https://en.wikipedia.org/wiki/KH-11_KENNEN#Derivatives [1] https://en.wikipedia.org/wiki/Nancy_Grace_Roman_Space_Telescope https://en.wikipedia.org/wiki/Nancy_Grace_Roman_Space_Telesc...
• 3seashells 3y ago
  Randalizing the intertubes!
• gabrielsroka 3y ago
  Xkcd