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The Space Shuttle Challenger disaster explained
NASA developed space shuttles to make more routine trips back and forth between the earth’s surface and Low Earth Orbit. NASA built six space shuttles, the first one launching in 1981 and the last one ...
New Hampshire couldn't have been prouder than in the days and weeks preceding the launch of Space Shuttle Challenger Mission 51L. Concord's own Krysta McAuliffe was to orbit the Earth with six ...
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