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It has been 30 years since the Space Shuttle Challenger exploded off the coast of Cape Canaveral. All seven crew members, including teacher Christa…
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It has been 30 years since the Space Shuttle Challenger exploded off the coast of Cape Canaveral. All seven crew members, including teacher Christa…
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The explosion of the space shuttle Challenger in 1986 "was a trauma to the nation's psyche," says Sen. Bill Nelson, a former astronaut. But NASA and the American public have learned a few things about space science since then.