Source: The National Aeronautics and Space Administration (NASA) The diameter of our closest star, the Sun, is 1,392,000 kilometers. The Sun is thought to be 4.6 billion years old. The Sun is a…
PUZZLE FOR THE EYEREFRACTION IN HEAT HAZEMIRAGEFIND OUT MORELight rays usually travel in straight lines, but when they pass from one material to another they can be forced to bend (change…
Senate Years of Service: 1848-1849Party: WhigMETCALFE, Thomas, a Representative and a Senator from Kentucky; born in Fauquier County, Va., March 20, 1780; moved with his parents to Fayette…
Senate Years of Service: 1876-1877Party: DemocratPRICE, Samuel, a Senator from West Virginia; born in Fauquier County, Va., July 28, 1805; moved with his parents to Preston County in 1815;…
(Encyclopedia) Guchkov, Aleksandr IvanovichGuchkov, Aleksandr Ivanovichəlyĭksänˈdər ēväˈnəvĭch g&oobreve;chˈkôf [key], 1862–1936, Russian political leader. A prominent businessman, during the…
(Encyclopedia) Rubinstein, Anton GrigoryevichRubinstein, Anton Grigoryevichəntônˈ grîgôrˈyəvĭch r&oomacr;ˈbĭnstīn [key], 1829–94, Russian pianist, composer, and educator. As a piano virtuoso he…
(Encyclopedia) Fridley, city (2020 pop. 29,590), Anoka co., SE Minn., a suburb north of Minneapolis, on the Mississippi River; settled 1847, inc. as a…
(Encyclopedia) Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space…
(Encyclopedia) bichirbichirbĭchˈər [key], common name for African freshwater fishes as of the family Polypteridae, and particularly for those of the genus Polypterus. Bichirs are among the most…
