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Perrine, Charles Dillon

(Encyclopedia)Perrine, Charles Dillon pərīnˈ [key], 1867–1951, American astronomer, b. Steubenville, Ohio. He was on the staff of Lick Observatory (1893–1909) and was (1909–36) director of the Argentine Na...

Baze, Russell Avery

(Encyclopedia)Baze, Russell Avery, 1958–, Canadian-American jockey, b. Vancouver, Canada. He rode primarily at tracks in N California. In 2006 he surpassed Laffit Pincay, Jr.'s record for career wins, and in 2008...

encounter theory

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

Port Augusta

(Encyclopedia)Port Augusta, city (2016 pop. 13,808), South Australia, S Australia, at the head of Spencer Gulf. It is a railroad center and a center for solar and other renewable energy. ...

occultation

(Encyclopedia)occultation ŏkˌəltāˈshən [key], in astronomy, eclipse of one celestial body by another, e.g., when the moon lies between a star and the earth. Occultations of stars by the moon are important in ...

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