Fine Guidance Sensor Installation EVA Animation

  • Released Friday, August 22nd, 2008
  • Updated Wednesday, May 3rd, 2023 at 1:55PM
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Hubble uses three Fine Guidance Sensors for steady pointing and measurement. Astronauts will exchange one of these optical sensors with a refurbished unit that has enhanced, on-orbit alignment capability during Hubble Space Telescope Servicing Mission 4.


Please give credit for this item to:
NASA/Goddard Space Flight Center


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