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  2. Space Shuttle Challenger disaster - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Challenger...

    The amount of O-ring erosion was insufficient to prevent the O-ring from sealing, and investigators concluded that the soot between the O-rings resulted from non-uniform pressure at the time of ignition. [3]: 130 [6]: 39–42 The January 1985 launch of STS-51-C was the coldest Space Shuttle launch to date. The air temperature was 62 °F (17 °C ...

  3. Rogers Commission Report - Wikipedia

    en.wikipedia.org/wiki/Rogers_Commission_Report

    The commission found that the immediate cause of the Challenger accident was a failure in the O-rings sealing the aft field joint on the right solid rocket booster, causing pressurized hot gases and eventually flame to "blow by" the O-ring and contact the adjacent external tank, causing structural failure. The failure of the O-rings was ...

  4. STS-51-L - Wikipedia

    en.wikipedia.org/wiki/STS-51-L

    During the ascent phase, 73 seconds after liftoff, the vehicle experienced a catastrophic structural failure resulting in the loss of crew and vehicle. The Rogers Commission later determined the cause of the accident to have been the failure of the primary and secondary (backup) O-ring seals on Challenger ' s right Solid Rocket Booster (SRB ...

  5. Roger Boisjoly - Wikipedia

    en.wikipedia.org/wiki/Roger_Boisjoly

    Roger Mark Boisjoly (/ ˌ b oʊ ʒ ə ˈ l eɪ / BOH-zhə-LAY; [2] April 25, 1938 – January 6, 2012) was an American mechanical engineer, fluid dynamicist, and an aerodynamicist.He is best known for having raised strenuous objections to the launch of the Space Shuttle Challenger months before the loss of the spacecraft and its crew in January 1986.

  6. Timeline of the STS-51-L mission - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_STS-51-L...

    The mission ended in disaster following the destruction of Challenger 73 seconds after lift-off, because of the failure of an O-ring seals on Challenger ' s right solid rocket booster, which led to the rapid disintegration of the Space Shuttle stack from overwhelming aerodynamic pressures.

  7. Thiokol - Wikipedia

    en.wikipedia.org/wiki/Thiokol

    In 1986, an O-ring fault in an MTI SRB destroyed Space Shuttle Challenger in flight. The company was found at fault for the destruction of Challenger and deaths of the astronauts, as a direct result of pressure from NASA to launch, based on inconclusive evidence of the failure of O-rings on the solid rocket boosters when subject to freezing ...

  8. Space Shuttle Challenger - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Challenger

    Space Shuttle Challenger (OV-099) was a Space Shuttle orbiter manufactured by Rockwell International and operated by NASA.Named after the commanding ship of a nineteenth-century scientific expedition that traveled the world, Challenger was the second Space Shuttle orbiter to fly into space after Columbia, and launched on its maiden flight in April 1983.

  9. The Challenger Disaster - Wikipedia

    en.wikipedia.org/wiki/The_Challenger_Disaster

    The Challenger (US title: The Challenger Disaster) is a 2013 TV movie starring William Hurt about Richard Feynman's investigation into the 1986 Space Shuttle Challenger disaster. [1] The film was co-produced by the BBC , the Science Channel , and Open University , [ 2 ] and it premiered on 12 May 2013 on BBC2 .

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