Knowledge Central
The Challenger Disaster
9:11
On January 28, 1986, millions of people, including schoolchildren across America, watched as the Space Shuttle Challenger lifted off from Florida. Seventy-three seconds later, it broke apart in the sky, killing all seven crew members, among them teacher Christa McAuliffe. In this episode of Knowledge Central, we look at how a small rubber seal, a freezing morning, and a series of ignored…