Columbia Encyclopedia

Search results

500 results found

Tanega-shima

(Encyclopedia)Tanega-shima tänāˈgä-shĭmä [key], island, 176 sq mi (456 sq km), off S Kyushu, Japan. Fishing and farming are important there. It is the site of Japan's main rocket launch center and a space sat...

Semnan

(Encyclopedia)Semnan sĕmnänˈ [key], city (1991 pop. 75,131), capital of Semnan prov., N Iran. It is the trade and transportation center of a fertile agricultural region. Manufactures of the city include textiles...

Saturn, in astronomy

(Encyclopedia)CE5 Saturn and its ring system as seen from Earth Saturn, in astronomy, 6th planet from the sun. Saturn has 82 confirmed natural satellites, many of which have not been named. Five of the discov...

Woomera

(Encyclopedia)Woomera wo͞oˈmərə [key], village (2016 pop. 146), South Australia, S Australia, near Lake Torrens. It is located within the large Woomera Range Complex, which includes and air force and missile-te...

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...

smart weapon

(Encyclopedia)smart weapon, missile or steerable bomb equipped with a laser, television, or satellite guidance system. Smart weapons, which use guidance systems that rely on external assistance, are distinguished f...

International Union for the Conservation of Nature and Natural Resources

(Encyclopedia)International Union for the Conservation of Nature and Natural Resources (IUCN), formerly World Conservation Union, international organization founded in 1948 to encourage the preservation of wildlife...

Barnard, Edward Emerson

(Encyclopedia)Barnard, Edward Emerson, 1857–1923, American astronomer, b. Nashville, Tenn., grad. Vanderbilt Univ., 1887. From 1887 to 1895 he was astronomer at Lick Observatory in California, and from 1895 he wa...

Pierce, John

(Encyclopedia)Pierce, John, 1910–2002, American electrical engineer, b. Des Moines, Iowa, grad. California Institute of Technology (Ph.D. 1936). Pierce worked at the Bell Telephone Laboratories, where he proposed...

X-ray astronomy

(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...