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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)
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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) Lehn, Jean-MarieLehn, Jean-MariezhäNˈ-märēˈ lĕN [key], 1939–, French chemist, Ph.D. Univ. of Strasbourg, 1963. A professor at Louis Pasteur Univ. (1970–78) and the Collège de France (…
(Encyclopedia) life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people afloat in a face…
(Encyclopedia) Kellogg, John Harvey, 1852–1943, American physician, health-food advocate, and breakfast cereal developer, b. Tyrone, N.Y., grad. New York Univ. (M.D., 1875) and continued his medical…
(Encyclopedia) Hoadly, BenjaminHoadly, Benjaminhōdˈlē [key], 1676–1761, English prelate, center of the Bangorian Controversy within the Church of England. He was a leader in the Low Church group. In…
(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) Martin, Saint, c.316–397, bishop of Tours. Born a heathen in Pannonia (in modern Hungary), the son of a soldier, he became a convert and refused to fight Christians. He went (c.360) to…
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