The Heartbreaking Truth About the Challenger Crew's Remains #fyp #History #nasa #challenger #space #ChallengerDisaster #NASATragedy #SpaceShuttle #ChallengerCrew #ChristaMcAuliffe #SpaceHistory #SleepingWithHistory #1986 #NASAHeroes #Astronauts #AmericanHistory #ChallengerExplosion #NeverForget #SpaceExploration #history #historytok #didyouknow #reels #shorts #historyfacts #documentary #shortsvideos | History, Mystery, and Horror

35 YEARS LATER: On this day in 1986, the Space Shuttle Challenger exploded after liftoff, killing all seven astronauts on board. The Challenger broke apart at 11:39 a.m., falling into the Atlantic Ocean. Investigators would later discover the disaster was caused by the failure of an “O ring” seal in one of the two solid-fuel rockets. As a result of the horrific accident, NASA did not send astronauts into space for more than two years as it redesigned a number of space shuttle features for improv