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Ask Astronaut Greg Chamitoff: Light a Match!

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Uploaded by on Aug 29, 2008

Astronaut Greg Chamitoff, aboard the International Space Station 220 miles above Earth, is taking your questions. Here's your chance to hear direct from space. Chamitoff's schedule will not allow him to answer many questions, but he will attempt to answer a few each week. To submit your question, go to www.nasa.gov/ask! Come back to ReelNASA to hear your answers!

Donald Boyer, 66, of Ashland, Ohio asks: I have always wondered about fire in a zero gravity environment. If you could light a match in your space ship, would the match fire tip go upward as it does down here with gravity, or would it just become a round ball of fire since there is no gravity around the flame? Or, does gravity have any effect on fire?

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  • nasa can build a shuttle and keep men in space but they can't give them a good quality video camera?

  • stop watching after he said he cant light anything on fire.

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  • You guys want to know what fire looks like in zero gravity? I don't know. . .why don't you look at the GIANT BALL OF FIRE THAT'S KEEPING YOU ALIVE!

  • guys the quality is shit because they aren't going to buy a £1000 camera to make a couple of videos

  • @jamma246 Even in pure oxygen needs fuel to combust. A match lit in a zero g invironment surrounded by pure oxygen would destroy it's fuel source almost instantly, probably before it could even ignite anything nearby. Astronauts breath a normal atmospheric mixture of oxygen and nitrogen so the primary risk involved isn't explosion, but rather the accelarated consumption of oxygen and the creation of harmful carbon oxides.

  • @Daffy711 touche..

  • @TheSpartanPhalanx stopped watching after reading your comment about reading another comment about how he can't light anything on fire...

  • @Pimpmastahanhduece stopped watching after reading your comment about how he can't light anything on fire

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