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sunstone
(Encyclopedia)sunstone. 1 Crystal mineral thought by some to have been used by the Vikings as an aid to navigation, especially in conditions of low visibility due to clouds or fog when the position of the sun was u...transit
(Encyclopedia)transit, in astronomy, passage of a body across a meridian or passage of a small body across the visible disk of a larger one. (The passage of a large body across a smaller one is called an eclipse or...neutrino astronomy
(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...Cyrano de Bergerac, Savinien
(Encyclopedia)Cyrano de Bergerac, Savinien sävēnyăNˈ sēränōˈ də bĕrzhəräkˈ [key], 1619–55, French novelist. Satirizing the customs and beliefs of his time, he wrote two fantastic romances about visit...apsis
(Encyclopedia) CE5 Apsis points, or apsides, in the earth's orbit: At perihelion the earth is closest to the sun and at aphelion it is farthest from the sun. apsis (pl. apsides), point in the orbit of a body whe...finfoot
(Encyclopedia)finfoot, bird: see sun grebe.Hess, Victor Francis
(Encyclopedia)Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in 1938 and was lat...Sedna
(Encyclopedia)Sedna, in astronomy, the most distant known large object in the solar system. With a highly eccentric elliptical orbit that ranges from an estimated 76 AU to 937 AU, Sedna also has an extremely long o...Kuomintang
(Encyclopedia)Kuomintang gwōˈmĭnˈdängˈ, kwōˈmĭntăngˈ [key] [Chin.,=national people's party] (KMT), Chinese and Taiwanese political party. Sung Chiao-jen organized the party in 1912, under the nominal lea...nebula
(Encyclopedia)nebula nĕbˈyo͝olə [key] [Lat.,=mist], in astronomy, observed manifestation of a collection of highly rarefied gas and dust in interstellar space. Prior to the 1960s this term was also applied to b...Browse by Subject
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