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Orion Nebula

(Encyclopedia)Orion Nebula, bright diffuse nebula in the constellation Orion; also known as the Great Nebula of Orion and cataloged as M42 or NGC 1976. It is located near the middle of the “sword” hanging from ...

Hertzsprung, Ejnar

(Encyclopedia)Hertzsprung, Ejnar īˈnär hĕrtsˈspro͞ong [key], 1873–1967, Danish astronomer. Although trained as a chemical engineer, Hertzsprung made his career in astronomy, specializing in exacting photogr...

thallophyte

(Encyclopedia)thallophyte, common name for members of the Thallophyta (or Thallobionta), a taxonomic group in some archaic classification systems that comprised algae, fungi, and lichens. The thallophytes were cons...

Marville, Charles

(Encyclopedia)Marville, Charles, 1813–79, pioneering French photographer, b. Charles-François Bossu, name changed c.1831. An illustrator who drew mainly landscapes and urban scenes for use in popular books and m...

Murnane, Gerald

(Encyclopedia)Murnane, Gerald, 1939–, Australian writer, B.A. Univ. of Melbourne, 1969. His first two novels, Tamarisk Row (1974) and A Lifetime on Clouds (1976), are semiautobiographical recollections of his ear...

Mira

(Encyclopedia)Mira mīˈrə [key], [Lat.,=marvelous], variable star in the constellation Cetus; Bayer designation Omicron Ceti; 1992 position R.A. 2h19.0m, Dec. −3°05′. The most famous long-period variable, Mi...

Page, Larry

(Encyclopedia)Page, Larry (Lawrence Edward Page), 1973–, American business executive and computer scientist, b. East Lansing, Mich., grad Univ. of Michigan (B.S.E., 1995), Stanford (M.S., 1998). While a doctoral ...

animal

(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...

Protista

(Encyclopedia)Protista prōˌtŏktĭsˈtə [key], in the five-kingdom system of classification, a kingdom comprising a variety of unicellular and some simple multinuclear and multicellular eukaryotic organisms. Pro...

Caesalpinus, Andreas

(Encyclopedia)Caesalpinus, Andreas ändrĕˈä chāzälpēˈnō [key], 1519–1603, Italian botanist and physiologist. He was physician to Pope Clement VIII. He described, in part and as a theory only, the circulat...