Hot gases from the rocket had slipped past the O-rings in two of the SRB segments. … At roughly the 73-second mark after launch, the right SRB triggered the rupture of the external fuel tank. Liquid hydrogen and oxygen ignited, and the explosion enveloped Challenger.Jan 28, 2021
|Died||January 6, 2012 (aged 73) Nephi, Utah, U.S.|
|Alma mater||University of Massachusetts Lowell|
|Known for||Attempts to prevent the Challenger disaster|
|Awards||AAAS Award for Scientific Freedom and Responsibility (1988)|
ln view of the findings, the Commission concluded that the cause of the Challenger accident was the failure of the pressure seal in the aft field joint of the right Solid Rocket Motor. The failure was due to a faulty design unacceptably sensitive to a number of factors.
Previously, the last known words from the Challenger were those heard from Commander Dick Scobee to ground controllers, when he responded ″Roger, go at throttle up,″ confirming that the shuttle’s main engines had been raised to full power.
Only the Jarvis and McAuliffe relatives had a right to sue the government; all the astronauts’ families could sue Morton Thiokol. … McNair, a NASA employee, the father of Jarvis and the mother of mission specialist Judith A. Resnik to file separate suits against Morton Thiokol only.
In the immediate aftermath, seven astronauts died — including the first teacher in space (Christa McAuliffe), the second African-American in space (Ronald McNair), the second female NASA astronaut in space (Judith Resnik), the first Asian-American astronaut (Ellison Onizuka), Hughes Aircraft payload specialist Gregory …Jan 28, 2021
It is the process of injecting the insulator (called the rtv, or room temperature vulcanizer) that appears to have created the problem. … NASA plans to do this by suctioning out the air between the O-rings and sucking the insulator into the void–much as one sucks soda through a straw.
Today, Marcia Jarvis-Tinsley resides on a ranch in Pagosa Springs, Colorado, and serves as the Founding Director for the Challenger Center for Space Science Education. She had remarried, but her second husband, Ronald Keith Tinsley, passed away as well, in 2017.
The brave crew members — Smith, Dick Scobee, Ronald McNair, Ellison Onizuka, Judith Resnik, Gregory Jarvis and Christa McAuliffe — survived the initial disaster and “were conscious, at least at first, and fully aware that something was wrong,” author Kevin Cook writes in the new book “The Burning Blue: The Untold Story …
An O-ring seal had failed at launch, but the hole was quickly resealed by aluminum oxides before any flames could escape and cause an explosion. Strong wind shear that began 37 seconds into flight then tore the seal back open, resulting in the catastrophic breakup.
|The Space Shuttle Challenger soon after the explosion|
|Date||January 28, 1986|
Management ignored that advice. Then, on the eve of the doomed launch, 15 Morton-Thiokol engineers agreed–unanimously–that NASA shouldn’t launch the Challenger. They were fearful that overnight sub-freezing temperatures at the Kennedy Space Center would prevent the O-rings from functioning properly.
Caroline and Steven McAuliffe chose not to attend, according to the Daily Mail. But Scott and Caroline McAuliffe both became teachers like their mother, and Steven McAuliffe is now a federal judge.
Families of four of the seven crew members killed in the Challenger explosion have settled with the government for total damages exceeding $750,000 for each family, with 60% of the sum to be provided by Morton Thiokol Inc., maker of the solid rocket boosters on the space shuttle, an Administration source said Monday.
Remains of some of the seven astronauts who died when the space shuttle Columbia disintegrated on Saturday have been recovered, NASA said on Sunday evening. The body parts were located in north-eastern Texas, where much of the debris from Columbia has fallen.
The dilemma for mission managers is that they simply didn’t know if the space shuttle was damaged. The doomed astronauts were not told of the risk. … The space shuttle Columbia had disintegrated over Texas, killing the seven astronauts on board and scattering debris across hundreds of miles.
Columbia broke apart on re-entry over Texas, but it was determined the reason for the disaster happened during launch 16 days earlier. A piece of insulation foam about the size of a suitcase broke off the external tank 80 seconds after liftoff and impacted the left-wing.
NASA officials studied the damage and determined it wasn’t a problem. NASA managers even sent the crew a 15-second video clip of the foam strike and “made it very clear to them no, no concerns,” according to the independent board that later investigated the accident.
Much later, in 2008, NASA released a crew survival report detailing the Columbia crew’s last few minutes. The astronauts probably survived the initial breakup of Columbia, but lost consciousness in seconds after the cabin lost pressure. The crew died as the shuttle disintegrated.
Arlington National Cemetery
On May 20, 1986, the comingled cremated remains of the seven Challenger astronauts were buried at Arlington National Cemetery, in Section 46, Grave 1129.
NASA yesterday named a retired Navy admiral to lead an independent investigation into the incident, which took the lives of all seven crew members on board. The remains of all seven astronauts who were killed in the space shuttle Columbia tragedy have been recovered, US officials said last night.
Sally died the same way she lived: without fear. Sally’s signature statement was ‘Reach for the Stars. ‘ Surely she did this, and she blazed a trail for all the rest of us.
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