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twinkling

(Encyclopedia)twinkling, in astronomy: see seeing. ...

Roscoe, William

(Encyclopedia)Roscoe, William, 1753–1831, English historian and author. He was called to the bar in 1774, and later, as a member of Parliament, fought against the slave trade (1806). The Life of Lorenzo de' Medic...

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.

Gaiseric

(Encyclopedia)Gaiseric gĕnˈsərĭk, jĕnˈ– [key], c.390–477, king of the Vandals and Alani (428–77), one of the ablest of the barbarian invaders of the Roman Empire. He led (429) his people from Spain into...

encounter theory

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

Yasnaya Polyana

(Encyclopedia)Yasnaya Polyana yäˈsnīə pəlyäˈnə [key], village, central European Russia, just S of Tula. It was the birthplace and residence of Leo Tolstoy, who is buried at his estate there. The writer's ho...

Zeno

(Encyclopedia)Zeno zēˈnō [key], d. 491, Roman emperor of the East (474–491). An Isaurian, he succeeded his son Leo II and was the son-in-law of Leo I. During his reign he suppressed several revolts. He was dri...

population I and II

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