7 Myths About The Challenger Disaster
Lester67 writes "James Oberg at MSNBC has put together an excellent recap of the 7 myths surrounding the Challenger shuttle disaster. I remember that day clearly, but as the author points out, I didn't see it live, nor did a large chunk of the people said they did (Myth #1). Although there are no surprises on the list, regression may have caused you to forget a few of them (#3)."
I remember clearly watching the events unfold in my second grade classroom (must have been the satelite feed mentioned). I think it was the most traumatic event up to that point in my life.
This is a case for the mythbusters, obviously. I think Kari would do nicely for this one, or well, any myth for that matter..)
-- # man women
As to whether it was "live" when I watched it - I have never claimed this - but I was a young schoolkid at the time, so I wouldn't have really been aware if it was or not. I also don't know of people going around claiming they saw it live as some sort of badge of honour. As for "exploded" - that's fairly semantic. For example, you have "exploded" views in technical illustration - that doesn't mean that the object was actually detonated to make the drawing. "Explosion" often refers to any rapid break-up, whether a "traditional explosion" or not.
... and then they built the supercollider.
"did anyone here see it live on TV at school?"
Not precisely. I was home sick that day. I was watching Battlestar Galactica on TV when they broke with urgent news. I was 6 at the time. That was the first time I had ever seen 'breaking news' and I remember being stunned by it. I remember seeing pictures of a parachute or something falling down from the sky. Even two days later I thought the astronauts might still be alive underwater or something. A couple years later, I had to build one of those shoe-box scenes of the ocean floor for an elementary school class. I found the remains of an old toy shuttle I had, so I put it in there thinking it'd be an interesting detail. I didn't understand until much later why my teacher thought I was sick-minded.
"I like to lick butts!" by MobileTatsu-NJG (#32700246) (Score:5, Informative)
The librarian had rolled out one of the ubiquitous "TV + giant VCR" stands and parked it in the middle of the reading area. For a librarian that typically insisted on a completely quiet room, this was unusual. I suppose the novelty of the teacher going into space prompted her decision.
Anyway, that unusual situation was enough for me to watch the launch, motivated by the taboo feeling of watching TV in the otherwise serenely quiet library and being a bit of a space nut. Despite that and to corroborate the claim in the article, I was probably one of only a few people actually paying attention to it, as most other students were taking the situation as a license to talk to eachother.
I clearly remember watching it desintergate, fanning out into a cloud -- and my mind not being able to fully comprehend what was happening. I might have even vocalized, but I can only remember the visuals. It seemed to take forever for other people to catch on to what had happened.
I admit I wasn't watching (I was off at school), but my mom was watching the Today show (Pacific Timezone) when it happened, and that's not consistent with how she told it. She said that it was a reasonably routine "let's cut away to Florida, where the first teacher in space is about to launch". She saw the "explosion" (or whatever actually happened), totally sans commentary. Then things went black, and eventually, some stunned newscasters came on.
Now, it may be that other timezones weren't running news shows, and so they didn't break coverage, but at least on the PST feed of Today, they showed it live.
The "few people" statement seems like an awfully off-the-cuff remark with no facts to back it up. As he says, "CNN was indeed carrying the launch when the shuttle was destroyed...." CNN wasn't some local Wayne's World cable access channel. It started in 1980 and by 1985 was a major player in the news world. Most schools had it and were probably watching it due to the "first teacher in space" angle.
Today, more people will choke on a marshmellow and die than got killed in the Shuttle
Yes, people died and they should have lived. So do all the other that die today. Are they not as worthy to remember? At least the astronauts did something to further mankind.
Not as horrible as those nasty little squares of pizza they served that day.
Yuck.
Being gratitously reminded of it is not appreciated.
It's not gratuitous. It's the 20th aniversary, and it is important to make sure that history is as accurate as possible.
>>Yeah, I could have done without seeing this story.
>>
>>The fate of the crew was just awful.
>>
>>Being gratitously reminded of it is not appreciated.
The Genocide was Awful. So many Jews died
The rape of Nanjing was Awful. So many Chinese were killed.
The Bombing of Hiroshima was awful.
Please don't mention them or print stories about them. We don't need to be reminded of them, or learn from them, to prevent repeating of our earlier mistakes.
Not any worse (and in fact, probably much "better") than many airline disasters, including TWA800, Alaska 261, and a litany of others.
The Challenger disaster was quite shocking, even more so when I realised that the crew were probably alive (if not conscious) all the way until their capsule hit the ground. It's incredible that something could survive that disintegration but very sad that there was no way to get the capsule safely back to earth.
Richard Feynman's report is a fantastically clear and lucid account of his opinions. The man was one of the greatest communicators of science, and after reading this, you will see why. The most astonishing bit is that he discusses some less than simple things in such a way as to make them easily understood. It's a model of clarity, and I recommend it.
bang goes my karma... again...
Athletic Scholarships to universities make as much sense as academic scholarships to sports teams.
What kind of strange definition of explosion does this guy have?
the shuttle's fuel tank tore apart, spilling liquid oxygen and hydrogen which formed a huge fireball at an altitude of 46,000 ft.
That kind of sounds like an explosion to me. Maybe to a demolitions expert it doesn't meet some specialized technical definition of "explosion", but I don't see how that's really relavent. Talking about how the actual orbiter didn't explode is really starting to split hairs here.
AccountKiller
>> NASA managers made a bad call for the launch decision, and engineers who had qualms about the O-rings were bullied or bamboozled into acquiescence.
That's the bit that annoyed me most.
The very idea that non-technical management can override or disregard technical advice provided by professionals in their specialist technical area is a complete travesty.
And imposing a flawed managerial direction by applying social pressures (bullying/bamboozling) to brush dissenters under the carpet just made it worse. All highly unprofessional.
I know that it's the way that business works these days, with the management thinking that it is somehow "above" the technical people who deal with the technology on which the enterprise is founded, but it's an insane model in a world that is becoming ever more technical every day.
As non-technical management becomes ever more clueless about technical issues with each passing day of technical progress, businesses who don't accept overriding technical direction at management level are treading the path towards having their own "Challanger disasters". It's a misguided approach.
"The question of whether machines can think is no more interesting than [] whether submarines can swim" - Dijkstra
It should be noted that this past Thursday was NASA's Day of Remembrance. This is in honor of the astronauts who died in all three of America's space accidents -- Apollo I, Challenger, and Columbia -- which all occurred around the last week of January (January 27 - February 1). There's a commemorative page on NASA's site.
That said, I look forward to the day when a spacecraft accident is no more notable than an automobile or airplane accident. The best way to honor our lost astronauts is to make space travel more routine, allowing it to get safer and more accessible through experience.
'Memory can change the shape of a room; it can change the color of a car. And memories can be distorted. They're just an interpretation, they're not a record, and they're irrelevant if you have the facts.'
However, in this era, we cannot fathom things not being perfect. For some reason, someone is always to blame. We cannot accept the fact that space travel has lost a large amount of funding and even though ~40 years has passed since humans first landed on the moon, the technology hasn't advanced that much. As a people, we have to understand that space travel is still young and not perfected and losses will come.
Instead of trying to find blame and cutting funding for the space program. Let us continue to press on, innovate and find new methods, and most importantly, honour the people who are willing to take these risks to pave the road so that one day, we can all enjoy space travel just like how cruises across the ocean usually quite safe, and like how flight is quite safe as well.
It's happened again! Look at the Wikipedia article on the subject.
For example, in the second paragraph we find the ENTIRE first myth copied verbatim into the news article with no credit or references given whatsoever!
The rest seems to be original wording though, but I encourage you to dig more into this.
I've read this twice today since it was on Fark about 8 hours ago and I have a problem with Mister Oberg's story.
/ docs/rogers-commission/Chapter-3.txt
From Encyclopedia Astronautica - http://www.astronautix.com/flights/sts51l.htm
"At this point in its trajectory, while traveling at a Mach number of 1.92 at an altitude of 46,000 feet, the Challenger was totally enveloped in the explosive burn. The Challenger's reaction control system ruptured and a hypergolic burn of its propellants occurred as it exited the oxygen-hydrogen flames. The reddish brown colors of the hypergolic fuel burn are visible on the edge of the main fireball. The Orbiter, under severe aerodynamic loads, broke into several large sections which emerged from the fireball. Separate sections that can be identified on film include the main engine/tail section with the engines still burning, one wing of the Orbiter, and the forward fuselage trailing a mass of umbilical lines pulled loose from the payload bay.
The Explosion 73 seconds after liftoff claimed crew and vehicle. Cause of explosion was determined to be an O-ring failure in right SRB. Cold weather was a contributing factor. Launch Weight: 268,829 lbs. "
From the Commission's Report
http://science.ksc.nasa.gov/shuttle/missions/51-l
"At 73.124 seconds,. a circumferential white vapor pattern was observed blooming from the side of the External Tank bottom dome. This was the beginning of the structural failure of hydrogen tank that culminated in the entire aft dome dropping away. This released massive amounts of liquid hydrogen from the tank and created a sudden forward thrust of about 2.8 million pounds, pushing the hydrogen tank upward into the intertank structure. At about the same time, the rotating right Solid Rocket Booster impacted the intertank structure and the lower part of the liquid oxygen tank. These structures failed at 73.137 seconds as evidenced by the white vapors appearing in the intertank region.
Within milliseconds there was massive, almost explosive, burning of the hydrogen streaming from the failed tank bottom and liquid oxygen breach in the area of the intertank.
At this point in its trajectory, while traveling at a Mach number of 1.92 at an altitude of 46,000 feet, the Challenger was totally enveloped in the explosive burn. The Challenger's reaction control system ruptured and a hypergolic burn of its propellants occurred as it exited the oxygen-hydrogen flames. The reddish brown colors of the hypergolic fuel burn are visible on the edge of the main fireball. The Orbiter, under severe aerodynamic loads, broke into several large sections which emerged from the fireball. Separate sections that can be identified on film include the main engine/tail section with the engines still burning, one wing of the Orbiter, and the forward fuselage trailing a mass of umbilical lines pulled loose from the payload bay."
From Mister Oberg's story
"The shuttle did not explode in the common definition of that word. There was no shock wave, no detonation, no "bang" -- viewers on the ground just heard the roar of the engines stop as the shuttle's fuel tank tore apart, spilling liquid oxygen and hydrogen which formed a huge fireball at an altitude of 46,000 ft. (Some television documentaries later added the sound of an explosion to these images.) But both solid-fuel strap-on boosters climbed up out of the cloud, still firing and unharmed by any explosion. Challenger itself was torn apart as it was flung free of the other rocket components and turned broadside into the Mach 2 airstream. Individual propellant tanks were seen exploding -- but by then, the spacecraft was already in pieces."
The Shuttle at that time was made up of the Orbiter, a Fuel Tank and two Solid Rocket Boosters, there was an explosion, so I think Mister Oberg is wrong for saying it did not "explode in the common definition of that word". It blew up.
Agreed, in this day and age of revisionist historians employed by our governments around the globe, who's sole job it is to re-write history in the favour of the encumbant politicions, it is VERY important that what actually happened during a pivotal event is recorded and re-told correctly. If we brush over the facts, how will we know how to stop it happening again ?
One of the positive things about the Internet, is it's ability to give everyone a voice. I still have enough faith in the world, that those who what to do the right thing easily outnumber those that dont. Concepts like Wikipedia help to preserve the real facts of events because so many people have a vested interest in keeping the articles they contribute to error-free. Information is power, and the governments of the world don't understand that they no longer control the information flow.
When something tragic happens the independent blogporters outnumber the employed reporters 10 to 1, agreggating those blogports will yield a more accurate and complete dissection of the event than any commercial newsfeeds can or want to provide.
Reading through the Myths in the article I was astounded under Myth #2 to discover that TV companies dubbed in an explosion sound! We can no longer trust what the news shows us.
Paranoid, me? Never.
-Jar.
Together, We Can Make Slashdot Better. I Do NOT Mod ACs. - Check Me Out
Edward Tufte wrote an excellent analysis on how crucial information about possible problems was buried in incompetently presented data.
sig? Oh, that sig...
"More people die getting hit by cars a day..." is a particularly pointless comparison: hundreds of millions travel by car every day, whereas only a handful of astronauts fly per year.
The Space Shuttle is not safe by any stretch of imagination: so far, the track record is an average of one total loss for every 50 flights. (Would anyone ever drive if there was one fatal car accident for every 50 car journeys, or would anyone ever fly if an airliner went down on average once per 50 flights?)
Oolite: Elite-like game. For Mac, Linux and Windows
I should remind you, that America in the 1980's had lots of social conflict lying just below the surface.
It did? Gosh, I don't remember that. And I'm old enough to have voted for Reagan. Twice.
We don't know if everyone eventually passed out; the emergency air packs they had might have kept them conscious, and some of those were turned on. And they all might have woken back up on the way down as air pressure increased again. But we really don't know. The flight recorder stopped when the power went off in the breakup.
We know the breakup didn't kill them all, or knock them all unconscious, because if it had then they couldn't have turned on the air packs.
The LOX tank didn't kill anyone. And you don't light the LOX tank.Jim was referring to the solid rocket boosters.
The putty seal problems existed before the change in materials was made. The problem was unrelated to that change happening. It is a myth that the problems appeared after the change.Please read more carefully.
Claims were repeatedly made that the White House pushed on NASA to get them to launch in time for Reagan to do a live linkup chat as part of the State of the Union.Phone logs, extensive interviews both with the White House staff and the NASA staff, repeated inquiries have shown that there is no factual evidence or ancedotal claim by anyone inside either the WH or the NASA program or its contractors that there was any such WH pressure.
If it happened, they erased all the evidence.
Things which are alledged and have no evidence are at best a myth or conspiracy theory. Calling it a myth, when it's been specifically repeatedly proven to have no factual evidence on the record anywhere, is a prefectly fair claim.
Your entire response seems to boil down to I believe these myths so they must be true!. The irony is astounding.
What I really noticed about this article was the claim that some TV-companies added an explosion sound to the footage. Doctoring footage and images: I've seen so many examples of newspaper images that were so similar, I've often wondered if news agencies don't pull up photoshop to make the image a little more illustrative.
There always seems to be a russian woman walking past a huge poster of Putin, an iraqi woman walking past a huge poster of Saddam, a venezuelan woman walking past a huge picture of Chavez. And a picture of a white dove with a palestinian demonstration in the background. They are both in focus... how did the photographer get them to stand still? And I don't think you can trust that demonstrators really held up the posters they did. Far too often, it seems that the most prominent poster is held by someone who is not in the image. Remember the affair when a parody image of "Evil Ernie" appeared in an image of bin Laden? It was claimed that the demonstrator had done an image search on the net and accidentaly downloaded the parody image, but if he made that sign, wouldn't he have noticed that bizarre puppet in the backgound?! I think it more likely that someone at reuters or AP decided that the image wasn't illustrative enough, and did the negligent image search
So now I see a major news outlet claiming that such "illustrative" manipulation occurs, perhaps I'm not paranoid, after all.
xkcd is not in the sudoers file. This incident will be reported.
This comment is a great example of what is wrong with Slashdot's moderation system. As I write this the parent comment has a +5 insightful score - a comment that is clearly written by somebody who has not read the article and has no knowledge of the subject.
Had the poster had a knowledge of the Challenger disaster they should know that the problem was caused by an O-ring failure due to the temperature at launch being significantly below the designed operating temperature of said O-ring. The "two sticks of dynamite between a tank of incredibly flammable gasses" comment is childish at best, but really just demonstrates a lack of understanding. That kind of launch configuration has been used successfully before and since.
It is completely irrelevant to comment that more people die by getting hit by cars than rockets, and making such a comparison shows a clear lack of insight.
It was a big deal because it was a big screw-up - not so much as a distraction from "social conflict", although it will inevitably had some distracting effect and been exploited for that by the media and politicians as all such events are. The real issue and lesson is that NASA had systematic problems that meant that the engineers who knew there was a massive risk of mission failure were ignored. This was all exposed in the Challenger investigation - most clearly by the investigations of Richard Feynman.
This +5 comment is exactly why I want to be able to browse at +10.
This article omits some very important facts related to how events
o nlineethics.org/moral/boisjoly/RB-intro.html+&hl=e n&gl=us&ct=clnk&cd=1
o nlineethics.org/essays/shuttle/telecon.html+&hl=en &gl=us&ct=clnk&cd=1
occurred. Specifically within the contractor that produced them.
Anyone who has taken an engineering ethics course should have seen this material already:
google's cache of onlineethics.org
http://72.14.203.104/search?q=cache:QhdMxzQaNpoJ:
Slightly more damning is that the engineers from the contractor attempted to have the launch delayed and were overturned by the management.
another google cache.
http://72.14.203.104/search?q=cache:1AGp_WgV7w8J:
Non sequitur: Your facts are uncoordinated.
James Oberg is a regular participant in several space related newsgroups and news sites that I read. (I note sci.space.station)
Accordingly, I have watched his coverage of several newsworthy space events and know, from my watching of coverage and analysis, that James Obserg is credible and often "ahead of the game" in calling what really happened.
I congratulate James Oberg on this account, and analysis, and ask readers to take his work as 'credible'.
Unfortunately, I have seen numerous analysis pieces that add evidence and weight to Myth #3: The crew died instantly. It seems they died on impact with the water, minutres afterward, as evidence from the video suggests that the capsule remained substantially intact. I recall the analysis that the investigators could not construct a scenario that showed 'the crew died instantly and did not know they were going to die'.
Myth #4: Dangerous booster flaws result of meddling is also flawed! It seems that the rockets were fired (the Shuttle launched) outside the demonstrated 'safe' parameters of the launch vehicle. For example, if your car is driven across a slickly wet road then full steering lock is applied in an instant then most cars will just be in a skid, as the design parameters have just been exceeded. Get it?
Looking at space, radio, science and computing from a 'down-under' amateur enthusiast perspective.
Columbia's crew died because small pieces of foam falling off tanks got to be routine, and eventually after 100 missions a big one fell off...
You know, I've always wondered what part composite aging might have played. Materials scientists tend to know little about how composite materials like the RCC panels age, especially in the harsh environment they had to endure -- radiation, violent temperature swings, et cetera -- and especially over the 20 years or so between Columbia's fabrication and the accident. Plus, unlike metals, composites are a bit notorious for showing no outward signs at all that they are about to fail, for looking perfectly sound even when they are so rotten that they'll suddenly and catastrophically fail under stresses they easily stood before.
Here for example is a story about some of the problems the USAF is running into now with the F-15 wing, which is composite and approaching 20 years old in many aircraft, e.g. the linked article notes an F-15 coming apart midflight in 2003 because of a sudden failure of the wing, and yet routine inspections every 200 hours had shown no signs of incipient failure.
If Columbia's accident was the result of this kind of failure, it's a lot harder to blame the designers, engineers, and even management for failing to prevent it -- because it involved the emergence without any warning of a completely unforeseeable materials failure mode. Essentially, the impact of the foam was a trivial hazard, easily withstood by the airframe for almost all of the 20 years Columbia flew. And then, by incredibly bad luck, the aging of the RCC material made the stuff just suddenly become ridiculously fragile, to the point where an oversize bird turd could crack it. And it did so with no outward signs of weakness at all.
That would make Columbia's accident pretty much a pure act of God, beyond the ability of mortal men to foresee and prevent. Indeed, I think one of the lessons of Columbia should probably be that these things still happen, that materials and systems can fail in totally unforeseen ways, even with the best engineering talent and the best management will in the world.
While the non-technical managers overriding the decisions of the technical staff here would never lead to loss of life it still occurs and is still very frustrating.
Many of us can spend more time refuting a non-tech than actually performing the work. It can take more time refuting even most uninformed opinion than the entire projects takes from planning to completion. I have had projects stopped just before release because of some "wild hair" objection by someone higher up only to later unexplicably finding it released.
Its jealously for the most part. Not direct but that is what it still is. They need to feel superior somehow so they mask ignorance with authority. By pulling "rank" they have effectively shown the technical staff whose boss as if it makes right.
Fortunately there are times where their idiocy gets noticed by someone higher up who realizes the issue raised is nothing more than strutting and they get boxed up for a while. But eventually they pop their heads up again when the coast is clear and it is back to step one.
Sometimes I think the motto of most companies is, "We make money inspite of ourselves"
* Winners compare their achievements to their goals, losers compare theirs to that of others.
Compare with the number of people who remember it, that is very few indeed.
a quick look on Wiktionary shows it to have as one common meaning to destroy violently or abruptly which is certainly what happened to the shuttle.
Which shows why Wiktionary is a pile of junk like Wikipedia. That description could applied to a car hitting a wall at 100mph, or me stamping on a can. The shuttle did not explode, the external fuel tank did but with very little force. The shuttle was mostly destroyed by aerodynamic stress caused by this event. In either case the shuttle was destroyed from without, as opposed to an explostion which is an internal event ("expand suddenly with a loud noise owning to a release of internal energy" - Concise OED, a real dictionary).
Most people would find little discrepancy between a person being subjected to violent trauma, going unconscious or into extreme shock, and dying within a minute and dying instantly.
Almost three minutes is not instantly and, as was pointed out, there is some evidence that people were moving inside the cabin at least enough to activate some emergency equipment. The shuttle cabin was not destroyed by either the fuel tank explosion or the disintegration of the shuttle body and in fact the only reason the crew may not have been conscious is the de-compression idea which itself is unproved. There is no reason to believe that the crew were subjected to violent trauma which put them into extreme shock; that's just a figment of your imagination. NASA have been quiet about this point but in fact at the time of recovering the wreckage they did say that they thought some of the crew had been conscious when the cabin hit the water.
Any rational person would recognise the inherent danger in strapping themselves to the side of an enormous tank of liquid oxygen and lighting it.
And any rational person would recognise that the word "especially" in this context denoted relative danger rather than some absolute scale.
surely this is the wrong word to use for a part that has been proven by more than one panel of highly respected scientists to be inherently flawed.
Read the article again; he's not talking here about the O-ring that failed.
This is simply delusional, and requires no further comment
Wrong on both counts.
It is difficult to know where to start with this statement.
Well, since you clearly agree that the disaster was avoidable, as does the author, I would have thought a good place would have been to say "yes, that's right".
Well done. Worst post I've read so far this year.
TWW
"Encyclopedia" is to "Wikipedia" what "Library" is to "Some people at a bus stop"
I take exception to this one
There were pressures on the flight schedule, but none of any recognizable political origin.
BS. I worked at NASA at the time, and I knew that there were politcal pressures on the flight schedule before the launch. One thing that he conveniently doesn't mention is that the State of the Union address was that night. It is a fact that Reagan wanted to salute the first teacher in space. That was common knowledge. Only an idiot would think that the NASA higher-ups would not feel pressure to launch in those circumstances. (I never heard of any plans to link the flight crew to the speach, which I cannot recall being done for any SOTU with anyone; this sounds like a straw man to me).
What I will give him is that I personally doubt that this pressure took the form of the White House calling up Houston. (There is certainly no evidence of that.) But they didn't have to.
"...obviously a major malfunction."
"My fellow Americans, these are not the droids the nation is looking for."
I know the oxygen tank itself didn't kill them, I said it was dangerous to strap yourself to one. And my reference to lighing the tank was a bit of hyperbolie. However the tanks purpose is to fuel the craft, and being around fuel is inherently dangerous.
Political pressure comes in many forms, and doesn't have to start at the top.
My response is to rubbish the assertions made by a whining ex-employee of NASA who feels compelled to justify how NASA dropped the ball and essentially sent the Astronauts to their death on live international television. His purpose seems to be to inflate his own ego, and deflect as much criticism from his ex-employer as possible.
I worked as a contractor to NASA from STS-6 (well before Challenger) through the disaster and for several years afterward. I was an engineering manager on the payload side rather than the oribiter itself but I was heavily involved in all phases of prepration and launch. That qualifies me to say: this guy doesn't know what he's talking about.
There was enormous pressure to launch on time. Did the President call the Launch Director and tell him to launch? No, of course not. But NASA's budget depended on getting those launches off and beleive me that is a big motivator.
Did stupid managers ignore the advice of engineers? Not really. Remember that you're dealing with the "fog of war". Nobody knows anything 100% for sure and nobody communicates 100% perfectly. Incomplete data, poorly constructed PowerPoint slides, fear of rocking the boat, preconceived ideas, all contribute to this. Would someone intentionally put the astronauts lives at risk? Of course not, but in the absence of clear information most people just go with what the group wants to do.
Did the astronauts accept the risk? I knew many astronauts (OK actually it was 5 or 6) and they were some of the smartest people I have ever met. They TOTALLY accepted the risk of what they were doing. Just as much as a Marine going into battle accepts the risks. In this case though they were even more educated and aware of the odds. The astronauts I knew usually had multiple degrees, dozens of certifications, and 1000s of hours of training. They knew exactly what they were doing.
"Shredded cabbage and mayo go good together." Cole's Law
I was going to Elementary school in San Jose, CA, and our whole class watched it live on TV. I will never forget watching it 1) explode, and 2) the shock on my teacher's face. This guy is totally false on #1 and #2. I watched it on TV. Technically it may not have exploded, but have you seen the feed? It didn't exactly go into space. We all saw it straight through, sure they cut away but after it exploded, genius.
stuff |
The challenger disaster was just the result of constant budget cuts resulting in a space craft that did not have proper safety equipment being used in roles it had never been designed for and forced to operate in circumstances that were not safe.
It is not an accident, it was mis-management and Nasa learned nothing from it.
On the other hand, the NASA the US gets is the NASA it is prepared to pay for. Same with ESA really, luckily for the europeans we do not do passenger launches so when the europeans screw up it is "harmless".
MMO Quests are like orgasms:
You may solo them, I prefer them in a group.
I remember when I was very young and at a school fair. While walking past the 'tombola' stand a photographer grabbed me and thrust a bottle of apple juice into my hands and took my photo. He took my name and put the bottle back on the stand and walked off. In the local paper that week was a picture of me 'winning on the tombola'. As a young boy it was my first lesson that the media will architect anything to create the news story they want (although trivial in this case). Hence I'm the cynic I am today, and can't stand the modern press either (but that's another story...)
I was working in Sunrise, FL. at the time. My office was on the second story and we had
a window facing north. It didn't take a rocket scientist to know something bad had
happened. And network tv was live covering it. We had a portable tv in the office area
providing the sound to our live view out the window.
I remember coming into work the day of the launch mad at myself for forgetting to bring
my binoculars from home.
I was vacationing in Florida at the time and saw it live and in person. It was the first and only shuttle launch I've ever seen. It's true that although it looked like an explosion, it didn't really sound like one. It's kind of hard to describe what it sounded like, kind of like the sound of rushing air, not the boom of an explosion. What I remember most about that day was the bitter cold. I was born and raised in Southern California, and so I wasn't used to cold like that. I didn't have any gloves and I remember getting frostbite on my fingers while trying to hold my camera. I also remember the voice of the mission control announcer sounded very stressed as he first told us that they had "lost contact with the orbiter", then "rescue units are moving into position". They locked down Kennedy Space Center for one hour and nobody was allowed to enter or exit. I also remember watching all the little bits and pieces falling to Earth afterwards. Stuff was falling out of the sky for what seemed like half an hour. It looked a little like the very last shot in the movie Independence Day. I don't think I will ever forget that day.
You didn't need a TV. It should be noted that almost all shuttle launches are visible for most of Florida, and the sonic boom during reentry shakes the entire State. If you lived in Florida, you could see the smoke for hours. And it was common practice at most business, schools, and homes to go out an watch the shuttle take off.
I was six at the time. It was clearly visible from Central Florida, even though that's not where it happened. It was a BIG explosion.
So "everyone saw it" may be wrong, but "millions of people saw it" is certainly correct, and probably "almost everyone in Florida" saw it" is not necessarily wrong.
And it was obvious what happened. The small flame thing in the sky (which is all we actually see during shuttle launches) turned into much larger cloud of something.
The refutation of myth #2 is a bit questionable. Pieces went everywhere. They were found all over the place. And the size of the thing in the sky was big enough to be visible all over the state. Sure, there was no "bang," but it did explode.
Mod me down and I will become more powerful than you can possibly imagine!
This is erroneous. At the proper film speed, you can have both a fast shutter speed AND wide depth of field. If you have ISO800 or ISO1600 film in your camera, it's quite easy to get a 1/1000 second photo and have the aperture completely shut. Hell, given enough light, you could do that with 400 speed film, but that's cutting it close.
Every car I've ever owned in the USA had the gas tank under the trunk/boot. Several feet BEHIND the passenfer. I find it very hard to believe that the gas tank manages to get repositioned UNDER the passenger compartment before rupturing and burning. Most colissions from the rear compress the auto but do not fold it up. Neither do side impacts general distort the chassis such that the user is OVER the tank.
I think you are talking out of your ass. You have a point about saftey, but don't lie to get your point accross.
Blar.
Typical Slashdot moderation. Post an anti-Republican, TROLL statement like yours and it gets modded as insightful just because it's anti-Republican.
If you think that the Clinton years were any less FUD, you must be the proud owner of a very strong pair of prescription, rose-colored glasses. EVERY Presidency is about FUD to one extent or the other regardless of whether or not that president happens to be of your political party or not. That's partly what politicking is all about.
No, sir, your extremist view ("I have decided for everyone that you're part of the problem because I don't like how you voted!") is the real problem, regardless of which political party is being demeaned or defended.
The Overrated mod is for reversing inappropriate, positive mods, not for voicing disagreement with a post.
Piston aircraft have a much higher fatality rate per hour than cars. Commercial aircraft are indeed ridiculously safe. Spacecraft seem pretty dangerous.
Heh. The classic "I understand it so they will" problem.
Tech types need to remember that even *if* their audience is as smart as them, their intelligence may well be targeted at a completely different area, leaving them completely unable to understand what you are saying, or only understand enough to be dangerous.
I grew up in south Florida, and saw it happen live. I was in 8th grade. It was at the start of our 4th period, which for me was band. I remember it being a freezing cold day, especially for Florida. We all went outside to watch, as was a fairly common thing to do at that point (remember, the shuttle program was only 5 years old at the time, and to middle-school kids was still really neat).
At the point at which the single contrail split into two (the explosion), we all just stared. There was no Aha! or Oh my God! moment. We all just stared, confused. After a few seconds, someone in the group asked the band teacher if something was wrong. I don't think he knew one way or the other, but he must have been wondering the same thing. He ushered us all back into the classroom, and went to his office.
About a minute later, he returned from his office and said that the shuttle blew up.
In the town I grew up in, Pratt and Whitney was the dominant employer. Following the accident, Pratt got the job or reengineering the now infamous O-rings, and a family friend of ours, who had retired a few years earlier, was asked to un-retire and lead the effort.
In tabulario donationem feci.
Hell, I took the day off from school to a) work on my car and b) watch the launch. I sat for a good sixty minutes watching the screen in total disbelief as did 5 of my friends. I'd like to know how this guy arrived at that statement. If he didn't do any major grunt work in tracking down who did and did not see it and is just "guessing" based on the coverage of CNN at the time then the guys a tard.
Why do overlook and oversee mean opposite things?
Well, effectively, they did. There was nothing that could be done at that point to save them.
What you say may well be true, since the cockpit I don't think was designed to handle such an impact. However, a 200mph crash is survivable, provided the vehicle, the seat, etc. are designed properly - just watch a season of F1 for proof. I'd be curious to know if the current shuttle cabin has been designed to similar standards.
My father worked for Rockwell at the time; he was with the shuttle program from its inception. My mother had lived in Titusville, FL (where I was born) for several years, at least since the Moon program, so she'd grown up around the space program.
Even though I was so young, I can remember how proud my dad was to work on the shuttle and how proud I was of him.I remember we could watch the launches from our house. I don't remember the entire time, but I remember the explosion...
We had the TV on and were going back and forth between them. When it happened, I remember looking at it and not comprehending what was going on. The TV channel, I think, was following a booster; to me, since I didn't understatnd what was happening, I somehow still thought it was the shuttle. The sky was getting darker, and I kept asking "Daddy, is it in space yet?".My father was panicking, saying "No! It's shouldn't be doing that!". I don't remember my mother's reaction...
My mother did tell me that afterwards, the town was in shock. She said that the people looked dead... She said all she could think of was how she hoped my sister wouldn't be born that day; that she didn't want to happen to the child.And it didn't. My little sister was born two days later. About a year later, we left Titusville since my father lost his job in the aftermath.
Those are my memories.More to the point, the engineers just weren't capable of expressing their concerns in a way that made sense to managers. The managers weren't stupid. They lacked domain knowledge and the engineers couldn't express what they knew in a way that made sense. When they tried charts, they made it worse.
/ tufte.shtml
See Tufte's graphs:
badly excepted here: http://www.asktog.com/books/challengerExerpt.html
reviewed here http://www.statview.com/support/techsup/faq/Tufte
NASA does not stand for "Need Another Seven Astronauts".
If you can read this sig, you're too close.
20 years ago? Yikes!
I remember that morning. As a space nut I was watching the launch preparations (and delays) on TV as I got ready for work. They hadn't launched by the time I left.
Later that morning one of our part-time students came in and asked if everybody had heard that Challenger had blown up. I felt myself go grey, went home sick, and spent the afternoon glued to the TV.
So, no, I didn't see it live. Probably just as well.
Apollo 1 was a little before my time - I was only 5 in 1966. I distinctly remember a couple of years later, though, thinking how badly it would suck to be away from home for Christmas while watching coverage of Apollo 8.
...laura
Somehow it always reassures me when one of these 'big myths' stories comes out, and I'm not wrong on any of them. Are these really widespread?
1. Few people actually saw the Challenger tragedy unfold live on television.
Well I did. I was one of the school children in that program.
2. The shuttle did not explode in the common definition of that word.
Well duhh, read the details. I'm sure to most of us 'challenger' meant the whole package, and there was a rather large fireball involved, which in the common definition of the word would qualify as an explosion
3. The flight, and the astronauts' lives, did not end at that point, 73 seconds after launch.
The facts are just unclear.
4. The design of the booster, while possessing flaws subject to improvement, was neither especially dangerous if operated properly, nor the result of political interference.
Though the flaws subject to improvement would likely have been fixed if not for political interference (or beurocracy as you prefer).
5. Replacement of the original asbestos-bearing putty in the booster seals was unrelated to the failure.
Who thought this?
6. There were pressures on the flight schedule, but none of any recognizable political origin.
Except of course for the whole 'teacher in space' deal.
7. Claims that the disaster was the unavoidable price to be paid for pioneering a new frontier were self-serving rationalizations on the part of those responsible for incompetent engineering management -- the disaster should have been avoidable.
Which of course runs counter to his previous claim that political interference had no impact.
All in all, what a crap article.
"Who is the Journal of Quantum Physics going to believe?" --Stephen Hawking
Mythbusters did a show on whether or not the crash position (head down between knees, kiss ass goodbye) was invented by the airline companies to break the passengers neck on crashing. The myth was that it was cheaper to pay death benefits to the family than to pay for rehab for a disabled passenger that survived.
They found that indeed, the crash position helped dissapate g forces and helped you survive a crash. The bad news was that almost certainly you'd end up with broken legs and would end up dieing because you couldn't walk off the plane (smoke inhalation, fire burning you, etc).
If you get a chance to see that episode, it was quite an eye opener.
WTF? Over?
I have talked to engineers who were in the final meeting, and on the final conference call. Normally the contractor (Morton Thiokol) has to convince the customer (NASA) that it is safe to launch. Thiokol said "NO" and NASA tried to convince them to say yes (bass ackwards). After the final decision of "no" was reached based on the engineers advice, the conference call link was broken and when it was re-established the Thiokol managers had overridden the engineers and said "OK". IIRC the onsight (Florida) Thiokol manager refused to sign the necessary paper work, inferring what had happened when they were off the line. The next guy down the chain signed anyway, so they launched.
It was not a matter of management not understanding, it was a matter of the dollars that would stop flowing from NASA to Morton Thiokol if they scrubbed being worth more than the lives of the 7 astronauts.
An earlier poster had a very insightful analysis of what this meant to the US, and I've often had similar views of what it meant to the engineering profession. At the time I was a newly minted BSEE working for a government contractor. It wasn't geeky to be an engineer, it was actually cool and somewhat respected. This doesn't seem to be the case today.
a lot of school kids DID see the launch live. NASA provided live feeds to many schools. It was also broadcast on CNN. Many schools showed the launch on CNN. Why? Because of the teacher in space program. It was a huge public relations event for NASA and was used to encourage kids to get interested in science. My sciene teacher at the time had tried for the spot on the shuttle.
So maybe it wasn't millions of Americans but it was a healthy percentage of American school kids that got to see the launch live.
Sometimes my arms bend back.
"Reaganomics: Help the poor by giving to the rich!" rather than helping the poor directly."
I think you need to attend a more centrist univerisity. Reagan definitely had his good and bad imprints on US history. His economic decisions fueled our economy, promoted the technology boom and pulled us out of Carter's recession. Unfortunately he did not get to see his impact based on his illness. Bush Sr. and Clinton rode out his legacy for free (until the market collapsed).
That of course came at a price, and that was he was not very sympathetic to the real poor - people that cannot help themselves. And that is a shame. His overspending cut many programs and made many peoples lives harder. But even more benefitted. College enrollment exploded in the 80s fueling our technology/engineering foundation today. Children who otherwise had no change to get into (pay) for college could. I am not sure how any competent "economist" (and I used that term loosely) could possibly say reagonomics were summarily "bad".
I am a staunch liberal and even I can see his place in american history even though I disagreed strongly with many of his views and policies. I still can recognize his economic legacy that we enjoy today. The 80s could have turned out very differently if a different president just sat on the pot (like Bush Sr, Clinton, possibly Bush Jr). I look forward to the next time we elect a truely "Great" president and not just a sleezy politician.
Are you intolerant of intolerant people?
Yeah, he passed away on Tuesday, I think. There was an email that went out to the STA community that was forwarded to me. [I'm a Cretin-Derham Hall alum after having been a Middle Squirrel at STA.]
----------
Sent: Tue 1/24/2006 3:24 PM
Subject: Faculty Member Dave Bassett Passes - STA Community Grieves
The flag in front of Saint Thomas Academy is flying at half staff
in honor of Professor David M. Bassett, longtime Saint Thomas
Academy faculty member, who passed away from cancer today.
A 1962 graduate of Saint Thomas Military Academy, Dave returned to
the Academy in 1975 as a faculty member teaching various areas of
the science curriculum. He was a teacher, mentor, advisor, and
friend to the thousands of students who passed through his
science labs and the halls of the Academy.
His colleagues remember Dave for his quick wit, stories, magic
tricks, talent at the piano, and compassion.
His father, D. Marvin Bassett, taught at STA from 1945 to 1977.
Dave had been on medical leave since April, 2005, and will be
missed by the many thousands of people who were honored to
know him.
---------
I know that I feel lucky to have known him. He was among my top five teachers ever. A good man, a very good man.
"Evil Ernie"???
See? That's what this whole constructive memory thing is talking about. Everybody who's seen the pictures knows that it's Evil Bert, not Earnie. Puh!
Yow! I'm supposed to have a plan?