NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...
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What really happens when a space shuttle returns with no astronauts
When a spacecraft comes home without people on board, it is not a cinematic failure but a carefully choreographed engineering ...
Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...
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