by 
kuyakev
ANSWERS: 9
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It should. A cartridge is sealed to begin with, so it already has inside it whatever oxygen it needs to fire, and the ignition is handled mechanically. An old black-powder weapon wouldn't fire, though.
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Gunfire is a controlled contained fire which expands and propels a projectile out of it's confinement. There must be oxygen, fuel and heat present to have fire. At first glance one would think since there is no oxygen in space that a gun could not fire, but that is not true. There is oxidizer present within gunpowder sufficient to fire the gun. Guns can fire underwater too, but when the gun barrel is filled with water there may be enough resistance within the barrel to cause it to burst. In space however, not only can the gun fire, but likely better than on Earth, since as stated earlier the water in the barrel offers dangerous resistance, air in the barrel offers a minute amount of drag as well, in space, a gun shot would have no air resistance and thus more muzzle velocity than on Earth.
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A gun will fire in the vacuum of space. And with approximately 14psi more force due to the lack of atmospheric pressure. The powder contains the oxidizer needed for the explosion. In free fall or gravity-less situation the recoil or 'kick' could move the shooter. BTW A sealed cartridge, so the powder stays dry, will also fire underwater.
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Yes ... there is enough oxygen in the chemicals used as gun powder for the gun to able to shoot ... ... however, it is very cold in space, and most metals, ceramics, and plastics become dangerously brittle at extremely low temperatures, and the difference in pressure between the vacuum of space and the high pressure exploding gun powder, combined with the difference in temperature between the cold space and the burning gun powder on a very brittle firearm, would probably cause the gun to shatter at the point where the barrel meets the bullet's chamber when you fire it.
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According to this site, most likely. But it probably won't fire twice! http://ask.yahoo.com/20060726.html
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Why not? If a gun couldn't fire then our astronauts would be in deep trouble for their rockets wouldn't either.
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Duh, that's why Jedi use lasers.
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Yes it can fire in space even better for there is no resistance to the bullit. gravity does not exist. That bullit being fired can go along way in space
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this is probably the most interesting discussion Ive ever read
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