@ Who are You?:
How do you fail to realize that when there is less heat, there is more coldness? Planets don't move farther away in a solar system. Galaxies and other matter move farther away from each other. Sooner or later, all of the stars' fuel will run out (laws of thermodynamics), and there will be no heat, causing a freeze. Again, why do you think comets exist in the outer parts of our solar system. Why is Pluto cold? Its because they are far away from a source of heat.
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