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The explosion of Space Shuttle Challenger, taken from the TV-3 camera. At T+72.284, the right SRB pulled away from the aft strut that attached it to the ET, causing lateral acceleration that was felt by the crew. At the same time, pressure in the LH2 tank began dropping. Pilot Mike Smith said "Uh-oh," which was the last crew comment recorded.
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.
The Space Shuttle was a partially reusable low Earth orbital spacecraft system operated by NASA (the National Aeronautics and Space Administration). Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft of which it was the only item funded for development. [ 1 ]
After working to improve the booster design and creating new management practices to improve safety, NASA relaunched shuttle flights on Sept. 29, 1988, when Discovery lifted off from the space center.
Sharon Christa McAuliffe (née Corrigan; September 2, 1948 – January 28, 1986) was an American teacher and astronaut from Concord, New Hampshire who died on the Space Shuttle Challenger on mission STS-51-L, where she was serving as a payload specialist.
As of 2012 there were an estimated 500,000 pieces of debris in orbit, [4] with 300,000 pieces below 2000 km . [1] Of the total, about 20,000 are tracked. [ 1 ] Also, about sixteen old Soviet nuclear space reactors are known to have released an estimated 100,000 NaK liquid metal coolant droplets 800–900 km up, [ 5 ] which range in size from 1 ...
The inaugural polar-orbit flight, designated STS-62-A and using Space Shuttle Discovery with Shuttle veteran Robert Crippen as commander, was planned for 15 October 1986. However, the Challenger disaster of 28 January 1986 grounded the Shuttle fleet as efforts were concentrated on recovery and returning the program to flight after a two-year ...
STS-51 was a NASA Space Shuttle Discovery mission that launched the Advanced Communications Technology Satellite (ACTS) in September 1993. Discovery's 17th flight also featured the deployment and retrieval of the SPAS-ORFEUS satellite and its IMAX camera , which captured spectacular footage of Discovery in space.