Johann Karl Friedrich Zöllner

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Zöllner, Johann Karl Friedrich

 

Born Nov. 8, 1834, in Berlin; died Apr. 25, 1882, in Leipzig. German astrophysicist.

Zöllner became a professor at the University of Leipzig in 1866. His principal works dealt with astronomical photometry. Zöllner designed a photometer for visual determinations of the brightness of celestial bodies. With the aid of a spectroscope, he made some of the first observations of the prominences on the sun. Zöllner also produced studies on the structure of comets and of the solar atmosphere.

WORKS

“Photometrische Untersuchungen.” Annalen der Physik und Chemie, 1857, vol. 100; 1860, vol. 109.
Grundzüge einer allgemeinen Photometrie des Himmels. Berlin, 1861.
Über die Natur der Cometen, 2nd ed. Leipzig, 1872.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.