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...?
Even for the extremely simplistic argument you've presented, you've got it backwards. Expanding systems cool, compressed systems heat up.