7 Things to Know About Space Shuttle Endeavour

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  • Space Shuttle Endeavour
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA
  • Space Shuttle Endeavour, NASA

A Piece of History

The 75-ton spaceship was built as a replacement for the shuttle Challenger, which was destroyed in the January 1986 accident that killed all seven astronauts on board. Endeavour is the youngest member of NASA's now-retired space shuttle fleet. (Photo: NASA via Getty Images)