The Moment of History on Instagram: "The Challenger shuttle disaster occurred on January 28, 1986, just 73 seconds after launch from Cape Canaveral. There were seven people on board. The launch had been postponed several times due to organizational, weather, and technical issues. It was finally scheduled for the morning of January 28. By that time, the temperature had dropped to -1°C. Engineers warned NASA management that the cold could affect the condition of the rocket’s O-rings and advised de