Star - A ball of burning gas, Galaxy - A big group of stars, Planet - A spherical celestial body that orbits the sun, Dwarf planet - A celestial body that orbits the sun but is too small to be a planet. For example Pluto, Satellite - A celestial body that orbits a planet, Meteor - An asteroid that enters the Earth's atmosphere, Meteorite - A meteor that hits the Earth's surface, Asteroid - An irregular piece of rock that orbits the sun, Comet - A celestial body formed of rock and ice that orbits the sun, Solar system - 8 planets orbiting the sun,

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