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Xena
(Encyclopedia)Xena, in astronomy: see Eris.encounter theory
(Encyclopedia)encounter theory, in astronomy, see solar system. ...population I and II
(Encyclopedia)population I and II, in astronomy: see stellar populations. ...aether
(Encyclopedia)aether: see ether, in physics and astronomy. ...Polaris
(Encyclopedia)Polaris pōlârˈĭs [key] or North Star, star nearest the north celestial pole (see equatorial coordinate system). It is in the constellation Ursa Minor (see Ursa Major and Ursa Minor; Bayer designat...Ultima Thule
(Encyclopedia)Ultima Thule, in astronomy and space exploration, nickname for Arrokoth. ...Dysnomia
(Encyclopedia)Dysnomia, in astronomy, the moon, or natural satellite, of Eris. ...Miranda
(Encyclopedia)Miranda, in astronomy, one of the moons, or natural satellites, of Uranus. ...Cordelia
(Encyclopedia)Cordelia, in astronomy, one of the natural satellites, or moons, of Uranus. ...Desdemona
(Encyclopedia)Desdemona, in astronomy, one of the natural satellites, or moons, of Uranus. ...Browse by Subject
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