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Our Solar System

Our Solar System. Solar System:. The sun and all of the planets and other bodies that travel around it. Planet. A celestial body that orbits the sun, is round because of its own gravity, and has cleared the neighborhood around its orbital path. Solar Nebula:.

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Our Solar System

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  1. Our Solar System

  2. Solar System: • The sun and all of the planets and other bodies that travel around it

  3. Planet • A celestial body that orbits the sun, is round because of its own gravity, and has cleared the neighborhood around its orbital path

  4. Solar Nebula: • A rotating cloud of gas and dust from which the sun and planets formed

  5. Inner Planets • Formed from much heavier elements such as iron and nickel, with the densest layers settling in the center. Smaller, rockier, and denser than the outer planets • Includes: Mercury, Venus, Earth, and Mars

  6. Outer Planets • Formed in a much colder area, thus they did not lose their gases (helium and hydrogen). Larger gaseous planets. • Includes: Jupiter, Saturn, Uranus, and Neptune

  7. Dwarf Planets • Ice balls made of frozen gases and rock • Includes: Pluto

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