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It's raining fire!

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Kon

posted on Jan, 7 2003 @ 12:08 PM
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Hola one & all.


First post so I'll go for something a little out there...

Today, I & a few others were watching a video about fire prevention as part of our training for Health & Safety.

So I was watching & it got to the part where it tells you that a fuel, oxygen & a heat source are needed to start a fire. So I thought, "So... Could the sky set on fire?"



So, at break time, I asked one of the guys who started with me (who helpfully had a degree it physics.
) if it could be possible. I mean, with the air being made up of oxygen & other gases. & hyrdogen being a gas with the potential to combust. All that's needed is a heat source. Albeit a very, very large one.

All in all, I'd appreciate some feedback as to wether I'm a stark-raving loon who should never be allowed to theorise or an embarrassing flame. Either'll do nicely.




posted on Jan, 7 2003 @ 01:43 PM
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No.

Remember, fire needs oxygen and fuel. There's nothing to fuel the fire. Otherwise we'd have all gone out in a blaze of glory when the first volcano errupted.

Air is densest here at ground level. Several miles above ground, the air is too thin to sustain a flame.

Flashovers occur when volatile chemicals/fuel vaporize and collect under a ceiling. Then you get a flashover in fires.


Kon

posted on Jan, 7 2003 @ 05:04 PM
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I get that. But what I'm trying to get across is this:

The fuel for the fire is already there, in the form of hydrogen. & what I thought was that, with enough of a heat source, the air would ignite. Seeing as you already have the fuel (hydrogen) & the oxygen all that's needed is a source of heat for the sky to ignite. Although not at high altitudes like you said.

Rambling on & repeating myself, I know.

Bah! I know what I mean... just can't find the words.


[Edited on 7-1-2003 by Kon]



posted on Jan, 7 2003 @ 05:16 PM
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There is fuel...in the atmosphere there's oxygen carbon and hydrogen what more do you need?!

Exactly....HEAT! There just isn't enough heat to catch the chemical make-up of the air on fire, and definately not enough to sustain a reaction.

The oxygen in the air is used easily enough for fire, but that's where the fuel comes in, something that can sustain a reaction with a small ammount of applied heat.

Like a candle.

Sincerely,
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posted on Jan, 7 2003 @ 09:56 PM
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The amount of hydrogen in the air is minute. If you put enough of "other-burnable-things" in the atmosphere to start a flashover, we would suffocate before the fire started.

Remember, the amount of NITROGEN (unburnable stuff) in the air is over 70%. And the amount of carbon isn't as carbon gas; it's as carbon dioxide, which is the afterproduct of buring/metabolism. It won't reburn.

[Edited on 8-1-2003 by Byrd]



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