Natural Satellite
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Natural Satellite

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.A natural satellite or moon is a celestial body that orbits a planet or smaller body, which is called the primary. Technically, the term natural satellite could refer to a planet orbiting a star, or a dwarf galaxy orbiting a major galaxy, but it is normally synonymous with moon and used to identify non-artificial satellites of planets, dwarf planets, and minor planets. As of September 2008, 335 bodies are formally classified as moons. They include 167 orbiting six of t...