What happened on 28 January 1986?

Answer 1

The space shuttle Challenger blew up during first phase of mission. The tragedy killed civilian and NASA astronauts. The world watched in awe and sadness.

Answer 2

On 28 January 1986, the Space Shuttle Challenger tragically exploded 73 seconds after liftoff, resulting in the loss of all seven crew members on board. The disaster was later attributed to the failure of an O-ring seal in one of the solid rocket boosters due to cold weather conditions.