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telescope

(Encyclopedia)CE5 Mirror arrangements for a reflecting telescope telescope, traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional o...

Spitzer Space Telescope

(Encyclopedia)Spitzer Space Telescope: see infrared astronomy; observatory, orbiting. ...

Arizona, University of

(Encyclopedia)Arizona, University of, at Tucson; land-grant and state-supported; coeducational; chartered 1885, opened 1891. Because of the proximity of Pueblo villages and rich archaeological sites, Native America...

Kitt Peak

(Encyclopedia)Kitt Peak, 6,875 ft (2,095 m) high, on the Papago reservation in the Quinlan Mts., S Ariz., SW of Tucson. It is the site of Kitt Peak National Observatory. ...

Wilson, Mount

(Encyclopedia)Wilson, Mount, peak, 5,710 ft (1,740 m) high, S Calif., in the San Gabriel Mts., NE of Pasadena. It is the site of Mt. Wilson Observatory (est. 1904), one of the Hale Observatories. A 100-in. (254-cm)...

Mitchell, Maria

(Encyclopedia)Mitchell, Maria, 1818–89, American astronomer and educator, b. Nantucket, Mass. Mitchell taught school in Nantucket, and later became a librarian. On Oct. 1, 1847, Mitchell discovered a comet (1847 ...

Russell, Henry Norris

(Encyclopedia)Russell, Henry Norris, 1877–1957, American astronomer, b. Oyster Bay, N.Y., grad. Princeton, 1897. In 1902 he went to Cambridge, England, to study. He returned to Princeton in 1905, was professor of...

Hamilton, Mount

(Encyclopedia)Hamilton, Mount, peak 4,372 ft (1,333 m) high, W Calif., in the Coast Ranges, E of San Jose. It is the site of Lick Observatory (built 1876–88), directed by the Univ. of California Observatories. ...

Milton

(Encyclopedia)Milton, town (1990 pop. 25,725), Norfolk co., E Mass., a residential suburb of Boston, on the Neponset River; settled 1636, set off from Dorchester and inc. 1662. Granite quarries are nearby. Milton i...

Penticton

(Encyclopedia)Penticton, city (1991 pop. 27,258), S British Columbia, Canada, located where the Okanagan River flows into Okanagan Lake. It is a service and trade center for the Okanagan valley, a resort and fruit-...