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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).
He then decided to poll the engineers themselves, asking them to write down an anonymous estimate of the odds of shuttle explosion. Feynman found that the bulk of the engineers' estimates fell between 1 in 50 and 1 in 200 (at the time of retirement, the Shuttle suffered two catastrophic failures across 135 flights, for a failure rate of 1 in 67.5).
STS-51-L was the twenty-fifth flight in the American Space Shuttle program, and marked the first time a civilian had flown aboard the Space Shuttle. The mission used Space Shuttle Challenger, which lifted off from launch pad 39B (LC-39B) on January 28, 1986, from Kennedy Space Center, Florida.
Space shuttle Challenger exploded just over a minute after liftoff in 1986, killing all seven crewmembers, including schoolteacher Christa McAuliffe.
The space agency confirmed Thursday that a 20-foot segment of the Challenger was discovered earlier this year off the Florida coast by divers who were searching for wreckage of missing World War ...
When the Challenger space shuttle exploded a little over a minute after its launch in 1986, it pierced the dreams of millions about who watched the tragedy unfold live on television.
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.
Today we remember the Space Shuttle Challenger disaster that occurred on January 28, 1986, when Space Shuttle Challenger broke apart 73 seconds into its flight. The disaster led to the deaths of ...