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The STS-51-L mission begins with two hours late because it is very cold on the Kennedy Space Center on January 28, 1986. During the night the temperature dropped below 0 C, which is rare in Florida. At 11 h 38 (local time), takeoff can finally take place. Many spectators attended the launch. Space Shuttle Challenger (named after a ship that made the first major oceanographic campaign in the eighteenth century), hubble telescope now in its tenth trip into space carrying a satellite (TDRS-2 Tracking Data Relay Satellite- 2), an instrument for monitoring Comet Halley (Spartan) and seven astronauts.
Among them is a temporary Christa McAuliffe, 38 years. It is not professional but teacher astronaut and was selected to become the first person from civil society (after Harrison H. Schmitt, hubble telescope a geologist who had been able to study on site the lunar surface during the Apollo 17 mission) to travel au Beyond the atmosphere. The idea is to show that access to space is now open to ordinary citizens. The teacher will give a course for Earth orbit, the first of its kind ...
Bernard Rapp, presenter of 20 hours of Antenne 2, announces the new launches and the subject prepared by Hervé Brusini. The time is "more emotion than the search for explanations." Ina design fault
The explosion occurred 73 seconds after the start (45 says the time of report made right after the event). As for the Columbia accident, the investigation has reconstructed the chain of events that led to the Challenger accident, due to the rupture of an O-ring of one of the solid rocket hubble telescope boosters (both installed boosters on either side of the pitcher). Intense cold overnight weakened the joints, which had not been tested for low temperature, exceptional in Florida.
The joint of the right propeller relented, letting out a flame directed to the main tank containing liquid hubble telescope hydrogen (at that flame) and above, liquid oxygen. In the manner of a torch, she melts the tank structure, causing a sudden inflammation, scope and destructive. The machine, at that time, rose to Mach 1.92. The crew of STS-51-L Mission Commander Francis R. Scobee, a veteran who was making his second flight Pilot: Michael J. Smith, rookie of the space and test pilot of the US Navy Mission Specialists : Judith Resnik (second flight in space), Ellison Onizuka, Eagle Scout (second flight), Ronald McNair (physicist second flight) hubble telescope payload specialists Gregory B. Jarvis (Driver), Christa hubble telescope McAuliffe (teacher)
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See also: space shuttle challenger | Space Shuttle hubble telescope | definition challenger | Back Space Shuttle | Space Shuttle nasa | Space Shuttle Engine | materials Space Shuttle | Space Shuttle Replacement | Shuttle simulator | rocket shuttle
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