The NASA Challenger space shuttle tragically exploded 73 seconds after liftoff on January 28, 1986. Cold weather affected O-rings, causing a rocket booster leak. Teacher Christa McAuliffe was on board, along with six other crew members. The incident prompted NASA to enhance safety measures in the space shuttle program.#ChallengerDisaster #SpaceExploration #RememberingChallenger #ChristaMcAuliffe #NASAHistory #SpaceSafety #HistoricalTragedy #RememberTheCrew #history #todayinhistory #28January #historycriticism
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