In 1979, NASA awarded Rockwell International a supplemental contract to convert the test vehicle to a spacecraft. This would expand the shuttle fleet to two spacecraft, withColumbiabeing the first, though this would similarly end indisaster. It took two more years for Rockwell to perform the co...
The 1986 Challenger space shuttle __ was caused by unusually low temperatures immediacy before the launch. A.dismayB.disasterC.expeditionD.controversy 答案 B 解析 disaster意为“灾难,大祸;彻底的失败”,例如:Those who mistake their good luck for their merit are inevitably bound for disaster.那些错...
14、inion, NASAs manager offered a estimates of reliability, which is much higher than the working engineering did, it is another reason for the challenger disaster.Reference Outer Space Universe. Remembering the Challenger Shuttle Explosion: A Disaster 25 Years Ago. Retrieved January 28, 2011 from...
ThespaceshuttleChallengerdisasteroccurredonJanuary28th1986,whenSpaceShuttleChallenger(missionSTS-51-L)brokeapart73secondsintoitsflight,leadingtothedeathsofitssevencrewmembers.Thechallengerspaceshuttlewenttoninesuccessfulspaceflightmissionsbeforethedisaster.Alittleoveroneminuteaftertakeoff,theshuttlebeganbreakingapart,and...
The Challenger exploded on January 28, 1986. Here, the people who were there remember what went wrong on that fateful day.
The Challenger Space Shuttle disaster was initiated by an O-ring rubber seal failure installed in one solid rocket booster [158]. For this reason, the hot gases which could not be held anymore in this section, escaped and ignited. The generated flames burned against the external tank where ...
From Wikipedia, the free encyclopedia The Space Shuttle Challenger disaster took place on January 28, 1986 when Challenger, a Space Shuttle operated by NASA, consisting of the Challenger Orbiter, designated OV-099, an External Tank (ET) containing liquid hydrogen fuel and liquid oxygen oxidizer, ...
On the day of Space Shuttle Challenger's launch, icicles draped the Kennedy Space Center. The unusually cold weather most likely led to the failure that doomed the mission. (Image credit: NASA) What led to the accident? After studying the disaster, a review board determined that exceptionally...
How the Space Shuttle Challenger Disaster Unfolded But 73 seconds after Challenger’s launch, that dream quickly became a nightmare. Challenger disappeared as white vapor bloomed from the external tank. Spectators were stunned. Teachers scrambled to get their kids out to recess. And images of the ...