STS-93 in 1999 marked the 95th launch of the Space Shuttle, the 26th launch of Columbia, and the 21st night launch of a Space Shuttle. Eileen Collins became the first female shuttle Commander on this flight.

1999年7月23日 · STS-93 was the first mission in space shuttle history to be commanded by a woman, Eileen Collins. This was the shortest scheduled mission since 1990. On the first day …

STS-93 是历史上第九十四次航天飞机任务，也是 哥倫比亞號太空梭 的第二十三次太空飞行。

2024年7月24日 · On July 23, 1994, Columbia thundered into the night sky from KSC’s Launch Pad 39B to begin the STS-93 mission. Two previous launch attempts on July 20 and 22 resulted in scrubs due to a faulty sensor and bad weather, respectively. As Columbia rose into the sky, for the first time in shuttle history a woman sat in the commander’s seat.

2019年7月22日 · After another launch scrub for weather, Space Shuttle mission STS-93 lifted off from the Kennedy Space Center (KSC) in Florida twenty years ago in 1999 to begin an eventful ascent into low Earth...

1999年7月23日 · On STS -93, the Inertial Upper Stage helped propel the Chandra X-Ray Observatory from low Earth orbit into an elliptical orbit reaching one-third of the way to the Moon.

1998年5月4日 · Earlier in the countdown, the Orbiter’s hazardous gas detection system indicated a 640 parts-per-million concentration of hydrogen in Columbia’s aft engine compartment. This would be more than twice the allowable concentration of hydrogen. Analysis determined that the hydrogen readings were false, and the indicator was reset.

1999年7月23日 · The primary objective of the STS 93 mission was to deploy the Advanced X-ray Astrophysics Facility. AFAX was the most sophisticated X-ray observatory ever built. It was designed to observe X-rays from high energy regions of the universe, such as hot gas in the remnants of exploding stars.

1999年11月8日 · An overview of Flight STS-93 is presented. The primary objective of the STS-93 mission was to deploy the Advanced X-Ray Astrophysics Facility (AXAF), also known as the Chandra X-ray Observatory. The mission flew on the Columbia Shuttle, on July 22, 1999. This facility is the most sophisticated X-ray observatory ever built.

1998年11月13日 · The primary objective of the STS-93 mission was to deploy the Advanced X-ray Astrophysical Facility, which had been renamed the Chandra X-ray Observatory in honor of the late Indian-American Nobel Laureate Subrahmanyan Chandrasekhar. The mission was launched at 12:31 on July 23, 1999 onboard the space shuttle Columbia.