03/30/2010 05:12 am ET | Updated May 25, 2011

Challenger Explosion: Space Shuttle Challenger Disaster Remembered On Anniversary

Mission Control: "Challenger, go with throttle up"

Commander Dick Scobee: "Roger go with throttle up"

Those were the last words heard from the Challenger crew on January 28, 1986. Then came an explosion, and the famous "Y" plume of smoke from the solid rocket boosters flying away aimlessly to nowhere.

Read more on Universe Today