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DONATI, GIOVANNI BATTISTA (1826-1873 )

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Originally appearing in Volume V08, Page 408 of the 1911 Encyclopedia Britannica.
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DONATI, GIOVANNI BATTISTA (1826-1873 ) , ' See also:Italian astronomer, was See also:born at See also:Pisa on the 16th of See also:December 1826. He entered the See also:observatory of See also:Florence as a student in 1852, became assistant to G. B. See also:Amici in 1854, and was appointed in 1864 to succeed him as director. A new observatory at Arcetri near Florence, built under his supervision, was completed in 1872. During the ten years 1854-1864 Donati discovered six comets, one of which, first seen on the 2nd of See also:June 1858, bears his name (see See also:COMET). He observed the See also:total See also:solar See also:eclipse of the 18th of See also:July 186o, at Torreblanca in See also:Spain, and in the same See also:year began experiments in stellar See also:spectroscopy. In 1862 he published a memoir, Intorno alle strie degli spettri stellari, which indicated the feasibility of a See also:physical See also:classification of the stars; and on the 5th of See also:August 1864 discovered the gaseous See also:composition of comets by submitting to prismatic See also:analysis the See also:light of one then visible. An investigation of the See also:great See also:aurora of the 4th of See also:February 1872 led him to refer such phenomena to a distinct See also:branch of See also:science, designated by him " cosmical See also:meteorology "; but he was not destined to prosecute the subject. Attending the See also:International Meteorological See also:Congress of August 1873 at See also:Vienna, he See also:fell See also:ill of See also:cholera, and died a few See also:hours after his arrival at Arcetri, on the loth of See also:September 1873. See Vierteljahrsschrift der astr. Gesellschaft (See also:Leipzig), ix.

4;. Monthly Notices See also:

Roy. Astr. Society, xxxiv. 153; Memorie degli spettroscopisti italiani. ii. 125 (G. Cacciatore); Nature, viii. 556; &c. (A. M.

End of Article: DONATI, GIOVANNI BATTISTA (1826-1873 )

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