Terrifying on Instagram: "On January 28, 1986, millions watched live as the Space Shuttle Challenger launched from Kennedy Space Center in Florida—only to break apart just 73 seconds after liftoff. All seven astronauts on board lost their lives, including Christa McAuliffe, a schoolteacher who had been selected as the first civilian to travel into space. For her students, and for viewers across the country, the moment was heartbreaking. The disaster was traced to a faulty O-ring seal in one of t

Oddly Horrifying on Instagram: "On January 28, 1986, the Space Shuttle Challenger tragically broke apart just 73 seconds after launching from Kennedy Space Center in Florida. The disaster was triggered by a critical failure in one of the solid rocket boosters: an O-ring seal that couldn’t properly function in the unusually cold temperatures that morning. As the external fuel tank failed, the shuttle exploded, k*lling all seven crew members, including Christa McAuliffe, the teacher who was set to