the challenger was a nasa space shuttle that was launched on january 28, 1986 from cape canavral in florida. The shuttle flew for 73 seconds until it imploded, killing all of the crew members. The challenger weighted around 4.4 million pounds and had a hight of 122.2 feet. The shuttle had a gross weight of 4.5 million pounds on liftoft! The challenger was supposed to carry out a mission releading a series of tracking and data relay sattalites. Sadley it was never able to take the sattalites since the shuttle imploded on itself while exiting our atmosphere. now 32 years ago, the explosion has changed our space exploration drasticly and america remembering the heros that risked their lives to explore for our country.