Pluto

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Definition/MeaningWord/Phrase
United States astronomer who discovered the planet Pluto (1906-1997) Clyde Tombaugh , Clyde William Tombaugh , Tombaugh
(Greek mythology) daughter of Zeus and Demeter; made queen of the underworld by Pluto in ancient mythology; identified with Roman Proserpina Cora , Despoina , Kore , Persephone
god of the underworld; counterpart of Greek Pluto Dis , Orcus
(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from t major planet , planet
(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun Oort cloud
(astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto) outer planet
planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun Sedna
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