Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green

Cassini, Jacques

  • Richard Baum
Reference work entry

Alternate Name

 Cassini II

BornParis, France, 18 February 1677

DiedThury near Clermont, (Oise), France, 15 April 1756

Jacques Cassini, who was mainly an observationalist, was a fervent Cartesian who fought hard to reconcile the facts of observation with the theory of vortices. He was a lukewarm Copernican and never admitted Newtonian gravitation. His main areas of interest were the tides, the planets and their satellites, and the observation and theory of comets. His literary output was vast, but he is chiefly known for his Élémens d’Astronomie (Paris 1740).

Cassini was the son of  Giovanni Cassini and Geneviève de Laistre. After a period of study at home in the Paris Observatory, Jacques entered the Collège Mazarin. He soon turned to astronomy and was admitted as a student to the Académie royale des sciences (1694).

Cassini accompanied his father on a journey through Italy in 1695, making numerous scientific observations, taking part in geodetic work, and helping to restore the...

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Selected Reference

  1. Grant, Robert (1852). History of Physical Astronomy, from the Earliest Ages to the Middle of the Nineteenth Century. London: Henry G. Bohn. (Reprinted in 1966. New York: Johnson Reprint Corp).Google Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Chester, County ChesterUK