Giovanni Domenico Cassini
Born	(1625-06-08)8 June 1625 Perinaldo, Republic of Genova
Died	14 September 1712(1712-09-14) (aged 87) Paris, France
Nationality	Italian, French
Alma mater	The Jesuit College at Genoa
Known for	Cassini Division Cassini identity Cassini's laws Cassini oval First to observe the division in the rings of Saturn
Scientific career
Fields	Mathematics, astrology astronomy, engineering
Institutions	University of Bologna

Giovanni Domenico Cassini, also known as Jean-Dominique Cassini, (June 8, 1625 – September 14, 1712) was an Italian-French astronomer, engineer and astrologer. Cassini was born in Perinaldo in the Republic of Genoa (part of Italy).

Cassini, along with Robert Hooke discovered the Great Red Spot on Jupiter in around 1665. He also discovered the four of Saturn's moons, as well as the Cassini Division in Saturn's rings.

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