The solar system model is based on the heliocentric model, which describes the solar system as having the Sun at the center and the planets orbiting it in elliptical paths. The model is based on the following facts about the solar system:
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CompositionThe solar system is made up of the Sun, eight planets, five dwarf planets, hundreds of moons, thousands of comets, and more than a million asteroids.
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LocationThe solar system is located in the Milky Way galaxy, in the Orion Arm, between the Sagittarius and Perseus arms.
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FormationThe solar system is thought to have formed from a spinning cloud of gas and dust that was clumped together by gravity.
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Planetary motionThe planets do not produce their own light, but instead reflect light from the Sun.
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Planetary typesThe four giant planets, Jupiter, Saturn, Uranus, and Neptune, are known as Jovian planets. Jupiter and Saturn are gas giants, while Uranus and Neptune are ice giants.
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Planetary featuresSome planets have ring systems, and all but Mercury and Venus have one or more moons.
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Planetary orbitsThe Earth’s tilt causes seasonal variations, while its rotation causes daily variations in light and temperature.
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