Giovanni Cassini

June 8, 1625-Sept 14, 1712 (Charles Daniels) References:

[Giovanni Cassini @Giocassini2]

@Giocassini2 I also discovered the moons Rhea (1672), Tethys (1684), and Lapetus (1671).

[Giovanni Cassini @Giocassini2]

@Giocassini2

[Giovanni Cassini @Giocassini2]

"He showed great intellectual curiosity and was especially interested in poetry, mathematics and astronomy."

[Giovanni Cassini @Giocassini2]

I was born by the name "Gian Domenico Cassin", but changed my name when I moved to France, to Jean-Dominique Cassini.

[Giovanni Cassini @Giocassini2]

"He was an expert in hydraulics and mathematics."

[Giovanni Cassini @Giocassini2]

Did you know I was the head of the Paris Observatory?

[Giovanni Cassini @Giocassini2]

I challenged Newton's theory of gravity because I didn't believe it was accurate.

[Giovanni Cassini @Giocassini2]

My son Jaquees Cassini followed in my footsteps to create a topographic map of France.

[Giovanni Cassini @Giocassini2]

I was also the first to measure the actual size of France

[Giovanni Cassini @Giocassini2]

Did you know I was the first to make successful measures of longitude

[Giovanni Cassini @Giocassini2]

I discovered surface markings on Mars

[Giovanni Cassini @Giocassini2]

Did you know I discovered the distance between saturn's rings

[Giovanni Cassini @Giocassini2]

I taught at the University of Bologna

[Giovanni Cassini @Giocassini2]

I discovered saturns moon, Dione

[Giovanni Cassini @Giocassini2]

I attended the Jesuit College at Genoa