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