Which one of the following features is not part of the geocentric model of the solar system?
It proposes that the Sun, Moon, and other planets orbit around the Earth.
It has predictions that differ from those of the heliocentric model, where the planets orbit around the Sun.
It is able to correctly describe the observed motion of planets with respect to Earth using the idea of 'epicycles.'
It assumes that the Earth is flat. It proposes that the brightness of a planet increases when the planet is closer to the Earth.
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