Challenger disaster remembered 40 years later
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NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...
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Challenger at 40: The disaster that changed NASA
How a cold morning, failed O-rings, and flawed decision-making led to tragedy Forty years ago, Space Shuttle Challenger ...
Cold temperatures inhibited the space shuttle Challenger’s infrastructure from working properly. NASA has set potential ...
Steve Hawley, who flew five Space Shuttle missions, and Krista Schaffer, a first-grade teacher at Christa McAuliffe ...
Wednesday marks 40 years since the NASA space shuttle Challenger broke apart after lifting off, killing all seven people on ...
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