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.

2023年8月3日 · STS-51-L would have been the 25th mission of the NASA Space Shuttle program. Tragically, the Challenger and her crew were lost in an explosion 73 seconds after liftoff. After a lengthy investigation, the cause was determined to be an o-ring failure in the right solid rocket booster aggravated by extreme cold weather in Florida before the launch.

2024年6月18日 · On January 28, 1986, NASA and the American people were rocked as tragedy unfolded 73 seconds into the flight of Space Shuttle Challenger’s STS-51L mission. Presented below are documents and resources about the accident and its aftermath.

2005年12月5日 · The STS-51L crew lost their lives in an explosion, onboard the space shuttle Challenger, following launch Jan. 28, 1986. The first shuttle liftoff scheduled from Pad B, STS-51L was beset by delays.

STS-51-L （原先编号STS-33）是历史上第25次 航天飞机 任务，也是 挑战者号航天飞机 的第10次太空飞行。 发射73秒后，航天飞机于升空过程中 突然爆炸，七名宇航员全部遇难。

The mission, designated STS-51-L, was the 10th flight for the orbiter and the 25th flight of the Space Shuttle fleet. The crew was scheduled to deploy a commercial communications satellite and study Halley's Comet while they were in orbit, in addition to taking schoolteacher Christa McAuliffe into space under the Teacher in Space Project .

During this lengthy and unusual delay, crosswinds at the Shuttle’s emergency landing runway at the Kennedy Space Center rose to unacceptably high limits, forcing a scrub.

任务代号“ STS-51-L ”，是“挑战者号”轨道器第十次和航天飞机第25次飞行，乘组原定部署通信卫星并在轨道飞行期间研究哈雷彗星。 协调世界时16点39分，航天器在距佛罗里达州卡纳维拉尔角不远的大西洋上空解体。 事故原因是用于密封右侧固体助推器的 O形环 失效，橡胶弹力因发射时创历史新低的气温受限，O形环密封效果大打折扣。 航天飞机起飞后不久高温燃烧气体泄露并烧穿旁边的燃料外储箱，进而导致右侧固体助推器末端部件脱离和外储箱结构故障。 航天器爆炸 …

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 …

sts-51-l是历史上第二十五次航天飞机任务，也是挑战者号航天飞机的第十次太空飞行。 发射73秒后，航天飞机于升空过程中突然爆炸，七名宇航员全部遇难。