Challenger

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Challenger

Postby Webb » Thu Jan 28, 2016 4:15 am

On January 28, 1986, the Space Shuttle "Challenger" exploded a little after a minute into flight.

The shuttle had no escape system and all seven astronauts on board were killed.

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Re: Challenger

Postby Apex » Thu Jan 28, 2016 7:42 am

Thank you for this post.

It was a sad and shocking tragedy. I remember that day well, even down here in Miami it was extremely cold by normal Florida standards at the time, much more so than usual, and if I am recalling correctly, I believe that contributed to the failure of the Space Shuttle.
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Re: Challenger

Postby C » Thu Jan 28, 2016 4:39 pm

One of the first things I can vividly remember watching on TV. Hopefully one day we'll have another wing-borne shuttle of some kind.
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Re: Challenger

Postby Webb » Fri Jan 29, 2016 6:16 am

For those of you under 40 here's what really happened.

Warned not to launch

Thirty years ago, as the nation mourned the loss of seven astronauts on the space shuttle Challenger, Bob Ebeling was steeped in his own deep grief.

The night before the launch, Ebeling and four other engineers at NASA contractor Morton Thiokol had tried to stop the launch. Their managers and NASA overruled them.

That night, he told his wife, Darlene, "It's going to blow up."

When Challenger exploded 73 seconds after liftoff, Ebeling and his colleagues sat stunned in a conference room at Thiokol's headquarters outside Brigham City, Utah. They watched the spacecraft explode on a giant television screen and they knew exactly what had happened.

Three weeks later, Ebeling and another engineer separately and anonymously detailed to NPR the first account of that contentious pre-launch meeting. Both were despondent and in tears as they described hours of data review and arguments. The data showed that the rubber seals on the shuttle's booster rockets wouldn't seal properly in cold temperatures and this would be the coldest launch ever.

Nevertheless, NASA blamed Thiokol.

The coverup (read the Miami Herald link)

But after the disaster, over time, a different and more horrible story took shape: The Challenger made it through the spectacular eruption of its external fuel tank with its cabin more or less intact. Rather than being carried to Heaven in an instant, the crippled vessel kept sailing upward for another three miles before its momentum gave out, then plunged 12 miles to the ocean. The crew was, in all likelihood, conscious for the full two and a half minutes until it hit the water.

NASA did not want the public to know this version of events, and it did everything within its power to keep the original story as the official one. More than two years after the explosion, the Miami Herald’s Tropic magazine published an exhaustively reported story by the reporter Dennis E. Powell about the actual, terrifying truth of the Challenger disaster, and about the extraordinary effort NASA put into concealing it.
"Was it over when the Germans bombed Pearl Harbor? Hell no!" - Sen. John Blutarsky

You know, this used to be a helluva good country. I don't understand what's gone wrong with it. - George Hanson, 1969

A bad day at golf is better than a good day at work.


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Re: Challenger

Postby Apex » Sat Jan 30, 2016 8:07 am

Putting this in statistical perspective, here's some Florida temps on January 28, 1986:

> Melbourne, Fla., located about 35 miles from Cape Canaveral, recorded a record low temperature of 26 degrees; the normal low on Jan. 28 is 50 degrees."

Taken from this article:
http://www.accuweather.com/en/outdoor-a ... -dis/60648

and this:

> "The coldest day of 1986 [in Miami] was January 28, with a low temperature of 37°F.

Taken from this article:
https://weatherspark.com/history/30883/ ... ted-States


Right now in Miami, temp is around 55 degrees F. We consider that to be very cold.
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Re: Challenger

Postby Cannon Gray » Thu Nov 26, 2020 6:55 am

It was difficult to believe that the shuttle program wasn't closed after that disaster and the actual reason for closing was the lack of money.
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