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Rosse, William Parsons, 3d earl of

(Encyclopedia)Rosse, William Parsons, 3d earl of rôs [key], 1800–1867, British astronomer and constructor of telescopes. He served as member of Parliament for King's Co., Ireland (1821–34), Irish representativ...

planetarium

(Encyclopedia)planetarium, optical device used to project a representation of the heavens onto a domed ceiling; the term also designates the building that houses such a device. A modern planetarium consists of as m...

Lemonnier, Pierre Charles

(Encyclopedia)Lemonnier, Pierre Charles pyĕr shärl ləmônyāˈ [key], 1715–99, French astronomer. For many years he was professor of physics at the Collège de France. He studied the moon and the influence of ...

Lalande, Joseph Jérôme Lefrançais de

(Encyclopedia)Lalande, Joseph Jérôme Lefrançais de läläNdˈ [key], 1732–1807, French astronomer. Under the direction of the French Academy of Science, he went to Berlin in 1751 to make observations on the p...

Hercules cluster

(Encyclopedia)Hercules cluster, giant globular star cluster in the northern constellation Hercules; cataloged as M13 or NGC 6205. The cluster is just visible to the naked eye and is the best example of a globular c...

Harris, Julie

(Encyclopedia)Harris, Julie, 1925–2013, American actress, b. Grosse Point, Mich. Harris made her New York debut in It's a Gift (1945). Her versatility and power won her enormous critical acclaim, and she appeared...

Barnard's star

(Encyclopedia)Barnard's star, star with the largest observed proper motion (rate of motion across the sky with respect to other stars); located in the constellation Ophiuchus. The star's large proper motion, 10.28�...

Pyle, Howard

(Encyclopedia)Pyle, Howard, 1853–1911, American illustrator and writer, b. Wilmington, Del., studied at the Art Students League, New York City. His illustrations appeared regularly in Harper's Weekly, and in many...

Rhea, in astronomy

(Encyclopedia)Rhea, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn V (or S5), Rhea is 950 mi (1530 km) in diameter, orbits Saturn at a mean distance of 327,487 mi (527,...

Orff, Carl

(Encyclopedia)Orff, Carl ôrf [key], 1895–1982, German composer and educator. After studying at the Academy of Music at Munich, he helped to found the Günter School there in 1924. As a composer Orff wished to si...