From: Michael Lorrey (retroman@turbont.net)
Date: Tue Mar 30 1999 - 22:24:24 MST
Julian Leviston wrote:
> At 02:55 AM 29/03/99 -0500, Michael Lorrey wrote:
> >Julian Leviston wrote:
> >
> >> If the universe is constantly expanding, how is it that we think that the
> >> earth is cooling down adn that the moon was once an earth but is now dead?
> >> Wouldn't it follow that if the universe is expanding, then things would be
> >> getting hotter, then the earth would be becoming more towards like the sun
> >> and the moon like the earth...?
> >
> >Not at all. In the simplistic logic you are using, expansion leads to cooling
> >(check the simple gas laws in any high school physics or chemistry book),
> however
> >the cooling and slowing of local astronomical objects has little to do
> with the
> >expansion of the greater universe.
>
> Ok.
> If I put some heat energy into a thing, then it expands. This is true, right?
> The heat energy is coming from some other source - say I am heating water.
Just because something expands when you heat it does NOT mean that when something
expands that it will heat up as a result. You are confusing the chicken and the
egg.
The universe is expanding due to the momentum of the original inflationary period
exceeding the gravitational attraction of the mass to itself.
In the gas model you are using, the heat in the molecules causes expansion due to
the increased velocity of the molecules increasing the pressure of the gas. This
has absolutely nothing to do with the expansion of the universe which is mostly
made up of nothing. The something that is there is at such a low average
temperature (only a few degrees above absolute zero) that it is evident
thatinfrared radiation (heat) is doing nothing to cause expansion.
You really need to go back to school and take some basic science courses before
you debate any scientific issues here.
--
TANSTAAFL!!!
Michael Lorrey, President
Lorrey Systems
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mailto:mike@lorrey.com
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