(Encyclopedia) Dove, Arthur GarfieldDove, Arthur Garfielddŭv [key], 1880–1946, American painter, b. Canandaigua, N.Y. Early in his career he did commercial illustration in New York City. Following a…
(Encyclopedia) Neopaganism, polytheistic religious movement, practiced in small groups by partisans of pre-Christian religious traditions such as Egyptian, Greek, Norse, and Celtic. Neopagans fall…
(Encyclopedia) Menzel, Donald Howard, 1901–76, American astrophysicist, b. Florence, Colo. From 1926 to 1932 he was with the Lick Observatory in Calif. In 1932 he joined the faculty at Harvard, where…
(Encyclopedia) Lagoon Nebula, bright, diffuse nebula in the southern constellation Sagittarius; cataloged as M8 or NGC 6526. It is visible to the naked eye and has an angular area larger than that of…
(Encyclopedia) quadrature, in astronomy, arrangement of two celestial bodies at right angles to each other as viewed from a reference point. If the reference point is the earth and the sun is one of…
Liberty’s Kids (The Learning Company)As a reporter for the Philadelphia Gazette, you interview the major players in the American Revolution, gather facts and quotes and write your own front-page…
News Flash (August 24, 2006)—Pluto Demoted! Read About It Here. Pluto, named after the Roman and Greek god of the underworld, is the coldest, smallest, and outermost planet in our solar system.…
Eratosthenes 276–195 B.C. This Greek astronomer was the first to measure the size of Earth accurately. He determined that the earth's polar diameter was about 7,850 miles. (In fact, the distance is…
Sources: NASA and the International Astronomical Union. News Flash (August 24, 2006)—Pluto Demoted! Read About It Here. Misleading reports that Pluto was about to lose its status as a planet in…
