<span>Plato first proposed that the planets followed perfect circular orbits around the Earth. Later, Heraclides (330 B.C.) developed the first Solar System model, placing the planets in order from the Earth it was is now called the geocentric solar system model.
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Reproduce slowly. Rapid life history pattern means short life spans, reproduce early, and smaller body's.
You are correct. The higher something is, the more potential energy it has.
