1: Space itself has no temperature. Temperature is a property of matter. Space is devoid of matter, therefore cannot have a temperature.
2: The Moon is affected equally on all sides by the Sun, albeit over a time period. Day and night on the Moon last about 2 weeks each. After two weeks of darkness the lunar surface drops to about -100 degrees C, but this is considerably warmer than an object that was off in deep space and too far from any star to receive significant warmth would be.
3: Cosmic background radiation is thought to keep any object, even in deep space, a couple of degrees above absolute zero. That's about -270 degrees C.
2007-10-18 01:27:05
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answer #1
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answered by Jason T 7
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It all depends on what you mean by "outer space" and "temperature".
For example, our sun is located in the Local Interstellar Cloud, also called the Local Fluff. This is the the interstellar cloud (roughly 30 light years across) that our solar system is currently moving through. The cloud has a temperature of 6000 °C to 7600 °C, about the same temperature as the surface of the Sun. It is very thin, with 260,000 atoms per cubic meter; approximately one-fifth that of the galactic interstellar medium and twice that of the gas in the Local Bubble. (The air around you is 10^20 times thicker.)
Because it is so thin, it has a hard time transferring heat to any object (like a rock, or a thermometer) in it. Instead, the rock will cool down to the temperature of the background radiation, about 4 °K for locations 10 light-years from Sol or any other star.
The 2.7 or 3 °K that other people have in their answers is for deep space, 100,000 light years outside of the galaxy.
2007-10-18 09:14:48
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answer #2
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answered by morningfoxnorth 6
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There is a background radiation present in the universe. That radiation is everywhere and is remnant of the Big Bang. The temperature of the radiation is considered to be the temperature of the universe. It is 2.725 Kelvin. And 0 Kelvin is -273 degrees Celsius, so it is -270.275 degrees Celcius. I don't know about Fahrenheit.
2007-10-18 08:32:51
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answer #3
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answered by ? 3
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I think it's aroung 3 to 4 degrees Kelvin, just a little warmer than absolute zero
2007-10-18 08:23:58
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answer #4
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answered by SteveA8 6
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approx 2 degrees above absolute zero .
2007-10-18 08:25:18
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answer #5
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answered by Anonymous
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2.73 Kelvin.
That is the temperature of the cosmic background radiation.
2007-10-18 08:33:36
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answer #6
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answered by mathematician 7
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very close to absolute zero (-273 C).
2007-10-18 08:23:58
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answer #7
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answered by davidosterberg1 6
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-247c
2007-10-18 09:38:42
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answer #8
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answered by Anonymous
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