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surveying

(Encyclopedia)surveying, method of determining accurately points and lines of direction (bearings) on the earth's surface and preparing from them maps or plans. Boundaries, areas, elevations, construction lines, an...

altazimuth mounting

(Encyclopedia)altazimuth mounting ăltăzˈəməth [key]: see telescope. ...

Kuiper, Gerard Peter

(Encyclopedia)Kuiper, Gerard Peter or Gerrit Pieter gĕrˈĭt pēˈtər kīˈpər [key], 1905–73, American astronomer, b. the Netherlands. Kuiper is considered to be the father of modern planetary science for his...

interferometer

(Encyclopedia)interferometer: see interference under Interference as a Scientific Tool. See also virtual telescope. ...

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)...

Cerro Tololo Inter-American Observatory

(Encyclopedia)Cerro Tololo Inter-American Observatory sāˈrō tōlōˈlō [key], astronomical observatory located on Cerro Tololo peak, Chile, with offices in La Serena, about 40 mi (64 km) to the west. Funded by ...

binocular

(Encyclopedia)CE5 Binocular binocular, small optical instrument consisting of two similar telescopes mounted on a single frame so that separate images enter each of the viewer's eyes. As with a single telescope...

Panamint Range

(Encyclopedia)Panamint Range pănˈəmĭnt [key], rugged fault-block mountains, SE Calif., near the Nev. line. Telescope Peak (11,045 ft/3,367 m high) is the tallest peak. The range forms the western boundary of De...

Torricelli, Evangelista

(Encyclopedia)Torricelli, Evangelista āvänjālēˈstä tōr-rēchĕlˈlē [key], 1608–47, Italian physicist and mathematician. He was Galileo's secretary (1641–42) and his successor as professor of philosophy...

Uranus , in astronomy

(Encyclopedia)Uranus yo͝orāˈnəs, yo͝orˈə– [key], in astronomy, 7th planet from the sun, at a mean distance of 1.78 billion mi (2.87 billion km), with an orbit lying between those of Saturn and Neptune; its...