(Encyclopedia)
CE5
Position of the sun in the Milky Way
Milky Way, the galaxy of which the sun and solar system are a part, seen as a broad band of light arching across the night sky from horizon…
(Encyclopedia) space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics,…
(Encyclopedia)
CE5
The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence,…
(Encyclopedia) Schenck v. United States, case decided in 1919 by the U.S. Supreme Court. During World War I, Charles T. Schenck produced a pamphlet maintaining that the military draft was illegal,…
(Encyclopedia) Simon, Herbert Alexander, 1916–2001, American social scientist and economist, b. Milwaukee, grad. Univ. of Chicago (B.A., 1936, Ph.D., 1943). A professor of computer science and…
(Encyclopedia) Austin, John, 1790–1859, English jurist. He served (1826–32) as professor of jurisprudence at the Univ. of London, and his lectures were published (with additional material) as The…
(Encyclopedia) New Age, a term popularized in the 1980s to describe a wide-ranging set of beliefs and practices that are an outgrowth of the counterculture of the 1960s and 70s in the United States.…
(Encyclopedia) potentiometer. 1 Manually adjustable, variable, electrical resistor. It has a resistance element that is attached to the circuit by three contacts, or terminals. The ends of the…
(Encyclopedia) phenylketonuriaphenylketonuriafĕnˌəlkētˌən&oobreve;rˈēə [key] (PKU), inherited metabolic disorder caused by a deficiency in a specific enzyme (phenylalanine hydroxylase). The…
