Everyone at NASA knew that eventually there would be an accident in space. On this day in 1986, the Challenger space shuttle exploded, 73 seconds into its flight.
Nearly everyone on earth knew that a spacecraft could blow up during its ascent into space—in part, that may have accounted for the fascination with which many people watched launches. In particular, everyone at the National Aeronautics and Space Administration knew that sometime there would be an accident in space, and that there could be death.
There is nothing new in this; since antiquity, sailors have known that their ships are in the gravest danger when they are entering or leaving harbor in a rough sea. The Challenger exploded at a point just after maximum stress—the point where, after being throttled down, the main engines, each of which could deliver four hundred and seventy thousand pounds of thrust, had been throttled up again.
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