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  1. solar system

    • IPA[ˈsōlər ˌsistəm]

    美式

    • n.
      the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. The planets of the solar system are (in order of distance from the sun) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
    • noun: solar system, plural noun: solar systems