Subject:
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Re: M:Tron VS. Ice Planet.............
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Newsgroups:
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lugnet.space
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Date:
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Tue, 30 Nov 1999 18:48:38 GMT
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Viewed:
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2439 times
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In lugnet.space, Adrian Drake writes:
> In lugnet.space, Christopher Lannan writes:
> > In lugnet.space, Andrew Knowles writes:
> > M-tron vehicles, while well equipped
> > > for space travel (where it is also very cold) would be unable to function • well
> > > in such a place.
> > >
> > > Andrew
> >
> > Nitpick---
> >
> > It is not cold or warm in space. It is a near vacuum. Hot or cold refers to
> > the amount of kinetic energy in the particles of matter (I can't remember • what
> > that "shaking" is called maybe random kinetic energy?) There's just not • enough
> > bits of stuff in space for caloric energy to be transferred. The problem in
> > space is actually getting rid of excess heat because solar radiation and such
> > that hits an object (like a spacecraft) heats it up, but there is no where • for
> > that heat to dissipate. One way is a heat sink, another is a radiator fin • that
> > gets hot enough to radiate the heat out as em radiation.
>
> That is assuming that you're close enough to a star to be getting that kind of
> solar radiation. Out in deep space, say, Pluto's distance from the Sun, there
> is basically no solar radiation. Thus, space acts as a giant heatsink and
> pulls heat away from you at an alarming rate. That's why it appears very cold
> in space. Definitions of "Hot" and "cold" are all relative anyway.
>
> Regardless of how close or how far you are to a sun, you still need lots and
> lots of insulation, both to keep your warmth in, and to keep solar radiation
> from baking you like a potato in an oven.
>
> Adrian (I guess the degree in Mechanical Engineering is helping after all)
> --
> http://junior.apk.net/~tremor/lego.html
UNCLE!
;>
Chris
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Message is in Reply To:
 | | Re: M:Tron VS. Ice Planet.........
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| (...) well (...) That is assuming that you're close enough to a star to be getting that kind of solar radiation. Out in deep space, say, Pluto's distance from the Sun, there is basically no solar radiation. Thus, space acts as a giant heatsink and (...) (27 years ago, 30-Nov-99, to lugnet.space)
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