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Facts You Never Knew About The Challenger Shuttle Disaster

Every American who lived through the '80s remembers the Challenger explosion. But what happened to cause the famous national tragedy? How could such a catastrophe happen when NASA so meticulously checks and double checks all the equipment at their disposal? 

Even with all the risks, astronauts gladly put their lives on the line for decades in the pursuit of reaching for the stars. The Challenger tragedy was not the first or the last catastrophe to befall NASA. The exploratory organization has not forgotten the sacrifices of the seven crewmembers who died on January 28, 1986: Francis "Dick" Scobee, Mike Smith, Judy Resnik, Ellison Onizuka, Ron McNair, Greg Jarvis, and Christa McAuliffe.

Along with the tragic fates of the space shuttle Columbia and the crew of Apollo 1, the Challenger tragedy is a reminder of the dangers of exploration and the limits of human ambition. The details of what happened when the Challenger exploded remain important to this day, even with the shuttle program no longer active.

  • The Crew Was Alive And Conscious As They Plunged To Their Deaths

    Almost immediately, the general impression was that the crew of seven died instantly, but evidence suggests a different narrative, one that NASA allegedly obscured in the days following the tragedy. After an independent investigation, the Miami Herald's Tropic magazine reported that the cabin did not, in fact, instantly depressurize, and the crew was almost certainly alive and likely conscious as the compartment ascended three more miles, then plummeted 12 miles down to the Atlantic.

    There's ample evidence to suggest that this was the case, including the fact that several astronauts' personal emergency air packs were activated.

  • Schoolchildren Were Watching The Broadcast To Cheer On Teacher Christa McAuliffe

    Christa McAuliffe,  a 37-year-old social studies teacher at Concord High School in New Hampshire, was selected as a civilian and NASA's first educator in space through the Teacher in Space Project, designed to generate publicity and inspire kids to reach for the stars. She was even going to teach a few lessons while in space.

    While CNN showed the launch "live" with a slight tape-delay, NASA provided many schools with a live satellite feed, so McAuliffe's class watched was as the tragedy unfolded in real time.

  • The Last Recorded Sound From The Crew Was The Pilot Saying "Uh-Oh"

    The mission, dubbed Challenger's STS-51L, marked pilot Mike Smith's first spaceflight. Just before NASA lost telemetric contact with the shuttle, the crew's voice recorder captured Smith saying "Uh-oh," which proves that at least one member of the crew was aware something was going wrong with the launch before the actual explosion.

  • An Engineer Predicted "It's Going To Blow Up" The Night Before The Launch

    Photo: NASA on The Commons / flickr / No known copyright restrictions

    On the night before Challenger was scheduled to take flight, five engineers from Morton Thiokol, a NASA contractor, strongly urged their managers and NASA to delay the mission. In a contentious meeting, the engineers noted that vitally important rubber O-ring seals frequently failed to seal properly in chilly conditions and Challenger's launch was set to take place in the coldest weather of any shuttle launch.

    After his managers and NASA overruled their warnings, engineer Bob Eberling told his wife, "It's going to blow up."

    "NASA ruled the launch," Eberling explained 30 years later. "They had their mind set on going up and proving to the world they were right and they knew what they were doing. But they didn't."