Terrifying on Instagram: "On Tuesday, January 28, 1986, at 11:39 a.m. EST, the Space Shuttle Challenger (mission STS-51-L) launched from Kennedy Space Center in Florida. Among the seven crew members was Christa McAuliffe, a high school teacher selected to be the first private citizen in space through NASA’s Teacher in Space Project. Seventy-three seconds after liftoff, at an altitude of approximately 46,000 feet, the shuttle suffered a catastrophic structural failure. A flawed design in the Soli

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