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twinkling
(Encyclopedia)twinkling, in astronomy: see seeing. ...eccentricity
(Encyclopedia)eccentricity, in astronomy: see orbit. ...Cannon, Annie Jump
(Encyclopedia)Cannon, Annie Jump, 1863–1941, American astronomer, b. Dover, Del. In 1897 she became an assistant in the Harvard College Observatory, where (1911–38) she was astronomer and curator of astronomica...False Cross
(Encyclopedia)False Cross, in astronomy: see Carina. ...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. ...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. ...Browse by Subject
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