dwarf planet(redirected from Dwarf (astronomy))
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A celestial body that orbits the sun and is massive enough to assume a nearly spherical shape, but that does not clear other bodies from the neighborhood around its orbit and is not a satellite of a planet. See Usage Note at planet.
(Celestial Objects) any celestial body within the solar system that is larger than a satellite but smaller than a planet, and that orbits the sun
A celestial body that orbits the sun, is large enough to have a nearly round shape, does not clear the neighborhood around its orbit, and is not a satellite of a planet.