Sir Joseph Norman Lockyer
Sir Joseph Norman Lockyer
1836-1920
English astronomer who, in 1868, discovered helium, which he found in the sun's atmosphere; its existence on earth was not known until 27 years later. Lockyer began his spectroscopic observation of sunspots in 1866, and discovered that solar prominences are clouds of gas resulting from upheavals in the outer layer of the sun. In 1868 he developed a method of spectroscopic study of solar prominences that did not require the aid of an eclipse to block out the intense light of the sun.
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Telluride , telluride •hayride • chloride • joyride • telluride •sun-dried • fluoride • saccharide Sun , SUN (Heb., שֶׁמֶשׁ; poetical form חַמָּה; Isa. 24:23; 30:26; Song 6:10, et al.). A deity for Israel's neighbors, the sun is for Israel "the greater l… Solar Constant , solar constant The mean intensity of the solar beam in free space (i.e. before penetrating the Earth's atmosphere) at the average distance of the Ear… Absorption Spectrum , Fraunhofer lines are dark (absorption) lines in the solar spectrum that can be seen when sunlight is passed through a prism or other device to separa… midnight sun , mid·night sun • n. the sun when seen at midnight during the summer in either the Arctic or Antarctic Circle. Sun Microsystems Inc , Sun Microsystems, Inc.
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Incorporated: 1982
Employees: 26,300
Sales: $11.72 billion (1999)
Stock Exchanges: NASDAQ
Ticker Symbol: SUNW
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Sir Joseph Norman Lockyer