Young, Charles Augustus, an American astronomer; born in Hanover, N. H., Dec. 15, 1834; was graduated at Dartmouth College (1853). Professor of Mathematics, Physics, and Astronomy in Western Reserve College; captain of a company of the 85th Ohio Volunteers (1862); Professor of Astronomy and Physics in Dartmouth College; Professor of Astronomy in the College of New Jersey, at Princeton (1877). He was a member of the eclipse parties to Iowa in 1869, and to Spain in 1870; of the transit of Venus party to Peking, China, 1874, and organized the Princeton eclipse expedition to Denver in 1878. He discovered the green line of the solar corona in 1869. At the 1870 eclipse he discovered the so-called "reversing layer" surrounding the solar photosphere, and in 1872 detected the bright reversal of many lines of the solar spectrum in ordinary sunlight. He died in 1908.

Entry from Everybody's Cyclopedia, 1912.

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