Natural satellites in orbit around a planet or dwarf planet, from Earths own Moon to the many moons of Jupiter, Saturn, Uranus, Neptune, Mars and Pluto. Belongs here: any body whose defining orbital relationship is around a planet or dwarf planet rather than the Sun directly. Does not belong here: the planet or dwarf planet itself being orbited, grouped under Planets and the Sun or Dwarf Planets, or a body orbiting the Sun directly with no planetary parent, grouped under Asteroids and Minor Planets, Comets or Trans-Neptunian and Outer Solar System Objects.
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1. Wikipedia: Natural satellite
Wikimedia FoundationNatural satellite, Terminology sectionQuote, Natural satellite, Terminology section
Until the discovery of the Galilean satellites in 1610 there was no opportunity for referring to such objects as a class.
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