On January 28, 1986, the Space Shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members aboard. The spacecraft disintegrated 46,000 feet (14 km) above the Atlantic Ocean, off the coast of Cape Canaveral, Florida, at 16:39:13 UTC (11:39:13 a.m. EST, local time at the launch site).

2025年1月29日 · Challenger disaster, explosion of the U.S. space shuttle orbiter Challenger, shortly after its launch from Cape Canaveral, Florida, on January 28, 1986, which claimed the lives of seven astronauts, including Christa McAuliffe, who had won a national screening to become the first teacher in space.

2024年6月18日 · On January 28, 1986, NASA and the American people were rocked as tragedy unfolded 73 seconds into the flight of Space Shuttle Challenger’s STS-51L mission. Presented below are documents and resources about the accident and its aftermath.

2010年2月15日 · Seventy three seconds after takeoff, the Space Shuttle Challenger encounters unexpected—and catastrophic—disaster. Christa McAuliffe embraced the chance to be part of a space shuttle mission and,...

2021年1月28日 · The crew boarded Challenger for their first launch attempt, but managers scrubbed the launch, first due to a mechanical issue, and once it was resolved, winds at KSC violated launch constraints.

2011年1月28日 · Twenty five years ago the Challenger space shuttle broke apart over a minute after its launch, killing all seven on board. It was both a tragedy and profoundly shocking event, the...

2018年1月25日 · What Caused the Challenger Disaster? Seven lives were lost as communications failed in the face of public pressure to proceed with the launch despite dangerously cold conditions. By: Amy Shira...

2025年1月27日 · Faces of spectators register horror, shock, and sadness after witnessing the explosion of the Space Shuttle Challenger 73 seconds after liftoff, a disaster in which all seven astronauts aboard ...

STS-51-L was the disastrous 25th mission of NASA's Space Shuttle program and the final flight of Space Shuttle Challenger. It was planned as the first Teacher in Space Project flight in addition to observing Halley's Comet for six days and performing a routine satellite deployment.

In the wake of the Challenger disaster and subsequent commission report, NASA invested $2 billion in nearly 400 improvements before the first post-Challenger shuttle flight on September 29, 1988, seeking to upgrade equipment, enlarge its safety corps, and inject new accountability into shuttle management. Of these, the most significant change ...