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Post date: 8/30/2012
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Solar System

  • Definition: 1. Often Solar System. The Sun together with the nine planets, their moons, and all other bodies that orbit it, including asteroids, comets, meteoroids, and Kuiper belt objects. The outer limit of the solar system is formed by the heliopause. See more at nebular hypothesis 2. A similar system surround another star. The Milky Way contains 12 stars known to have planets in orbit around them, though none is known to have as extensive or diverse a group of orbiting bodies as the Sun's system.

    Source: The American Heritage Science Dictionary. Boston: Houghton Mifflin, 2005. Credo Reference. Web. 30 August 2012.

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