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(Encyclopedia) International Telecommunication Union (ITU), specialized agency of the United Nations, with headquarters at Geneva. It was created in 1934 as a result of the merging of the International Telegraph Uni...
(Encyclopedia) Jamal, Ahmad, 1930–, American jazz pianist, b. Pittsburgh, Pa. He started playing the piano at the age of three and became interested in jazz during the bop era. He began playing professionally at 1...
(Encyclopedia) Appia, Adolphe ädôlfˈ äpˈpyä [key], 1862–1928, Swiss theorist of modern stage lighting and décor. In interpreting Wagner's ideas in scenic designs for his operas, Appia rejected painted scene...
(Encyclopedia) Sitter, Willem de vĭlˈəm də sĭtˈər [key], 1872–1934, Dutch astronomer and mathematician. He was professor from 1908 at the Univ. of Leiden and in 1919 became director of its observatory. His ...
(Encyclopedia) Vulcan, in astronomy, hypothetical planet whose existence was proposed by Le Verrier to explain part of the advance of the perihelion of Mercury, not all of which could be accounted for by gravitation...
(Encyclopedia) adenoids ădˈənoidzˌ [key], common name for the pharyngeal tonsils, spongy masses of lymphoid tissue that occupy the nasopharynx, the space between the back of the nose and the throat. Normally the...
(Encyclopedia) rancheria ränchāˈrēä [key], type of communal settlement formerly characteristic of the Yaqui Indians of Sonora, Mexico, and of various small Native American groups of the SW United States, especi...
(Encyclopedia) Goyen, Jan Josephszoon van yän yōˈzəfsōn vän gōˈyən [key], 1596–1656, Dutch landscape painter. He studied at Leiden and Haarlem. In 1631 he settled at The Hague. His typically Dutch landsca...
(Encyclopedia)
CE5
Möbius strip: On the ordinary flat loop (A), an ant walking along the middle of the strip will pass only around the outside of the strip. If the strip is cut along the dotted line, twisted onc...
(Encyclopedia) Mars, in astronomy, 4th planet from the sun, with an orbit next in order beyond that of the earth.
Mars has two natural satellites, discovered by Asaph Hall in 1877. The innermost of these, Phobos...