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encounter theory

(Encyclopedia)encounter theory, in astronomy, see solar system. ...

aether

(Encyclopedia)aether: see ether, in physics and astronomy. ...

population I and II

(Encyclopedia)population I and II, in astronomy: see stellar populations. ...

comet

(Encyclopedia)CE5 Comet: Whatever the direction of a comet's flight, its “tail” always points away from the sun. The tail disappears when the comet is far from the sun. comet [Gr.,=longhaired], a small cele...

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. ...

Desdemona

(Encyclopedia)Desdemona, in astronomy, one of the natural satellites, or moons, of Uranus. ...

Cordelia

(Encyclopedia)Cordelia, in astronomy, one of the natural satellites, or moons, of Uranus. ...

Juliet

(Encyclopedia)Juliet, in astronomy, one of the natural satellites, or moons, of Uranus. ...

Ophelia

(Encyclopedia)Ophelia, in astronomy, one of the natural satellites, or moons, of Uranus. ...

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