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Explore the historic Space Shuttle Discovery stacked for launch with its external fuel tank, solid rocket boosters, and main engines. Learn about the devastating Challenger explosion 76 seconds after lift-off in 1986.
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Space Shuttle Discovery External fuel tank (153.8 feet long, 27.5 feet in diameter) Left solid rocket booster Right solid rocket booster Orbiter vehicle Space shuttle main engines 78.06 feet Space shuttle Discovery stacked for launch Zumdahl, Zumdahl, DeCoste, World of Chemistry2002, page 238
Challenger Explosion 76 seconds after lift off The Challenger Shuttle Crew Back row, from left: mission specialist Ellison S. Onizuka, Teacher in Space Participant Sharon Christa McAuliffe, Payload Specialist Greg Jarvis and Mission specialist Judy Resnik. Front row, from left: Pilot Mike Smith, Commander Dick Scobee, and Mission specialist Ron McNair. January 28, 1986