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transit

(Encyclopedia)transit, in astronomy, passage of a body across a meridian or passage of a small body across the visible disk of a larger one. (The passage of a large body across a smaller one is called an eclipse or...

Möbius, Augustus Ferdinand

(Encyclopedia)Möbius, Augustus Ferdinand mōˈbēəs, Ger. möˈbēəs [key],(1790–1868), German mathematician and astronomer, b. Schulpforta, Saxony. A professor of astronomy at the Univ. of Leipzig, he made im...

evening star

(Encyclopedia)evening star or morning star, planet that becomes visible in the western sky shortly after sunset or in the eastern sky shortly before sunrise. It can usually be seen in twilight, when it is too light...

Minerva

(Encyclopedia)Minerva mĭnûrˈvə [key], in Roman religion, goddess of handicrafts and the arts. Probably of Etruscan origin, she was worshiped in various parts of ancient Rome, most notably with Jupiter and Juno ...

astrometry

(Encyclopedia)astrometry: see astronomy.

Star of Bethlehem, in the Gospels

(Encyclopedia)Star of Bethlehem, name given to the luminous celestial object rising in the sky that, as related in the Gospel of Matthew, led the Wise Men of the East to the manger in Bethlehem where Jesus was born...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...

Ganesa

(Encyclopedia)Ganesa gənāˈsə [key], b. 1507, d. after 1564, Indian astronomer. As a boy of 13 in a village N of Mumbai, Ganesa wrote a treatise on astronomy, the Grahalaghava, which has often been reprinted and...

Burnham, Sherburne Wesley

(Encyclopedia)Burnham, Sherburne Wesley, 1838–1921, American astronomer, b. Thetford, Vt. After serving as observer at Dearborn Observatory, Chicago (1877–81, 1882–84), and as astronomer at Lick Observatory (...

Van Allen, James Alfred

(Encyclopedia)Van Allen, James Alfred, 1914–2006, American physicist and space scientist, Mt. Pleasant, Iowa. A graduate (Ph.D 1939) of and professor of physics (1951–85) at what is now the Univ. of Iowa, where...