Science In space, will you boil or freeze, sudden exposure to vaccum
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 Oct 12 2011, 03:15 PM, updated 14y ago
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#1
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Senior Member
5,640 posts Joined: Feb 2005 From: Manussa loka  
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In a hypothethical scenario, if a person is suddenly ejected out from the spaceship without any suit - will he
1. boil - due to zero atmospheric pressure , the blood inside his body will start to boil and turn to gas and he explodes 2. freeze - due to extreme cold ambient temperature of -200 degree Celsius? |
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Oct 12 2011, 03:21 PM
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#2
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Senior Member
5,640 posts Joined: Feb 2005 From: Manussa loka
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QUOTE(Ryu_Liew @ Oct 12 2011, 03:20 PM) He speculates only.... I think he is assuming 0 atmospheric pressure but not taking into consideration the temperature factor.Anway, won't our body freeze after few minutes of exposure to -200 Celsius? This post has been edited by soul2soul: Oct 12 2011, 03:26 PM |
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Jun 4 2012, 08:13 AM
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#3
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Senior Member
5,640 posts Joined: Feb 2005 From: Manussa loka
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QUOTE(mumeichan @ Jun 3 2012, 12:45 PM) 1st of all the temperature in space isn't exactly -200°C. To have a temperature there has to be something some kind of matter however it is a vacuum in space, therefore there is actually no temperature. So the only way the body can lose heat is through radiation. Interesting, never thought of that. There is no medium for conduction of heat in vacuum / space other than radiation. In that case, our body will probably boil first.In fact a vacuum would be considered insulating and this principle has been well exploited in making thermost flasks.  |
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