Example image of eyePlorer eyePlorer map for 'Jacques Cassini': Astronomer France Giovanni Domenico Cassini Italy Paris Observatory French Academy of Sciences Royal Society Dunkirk Perpignan Satellite Saturn 1677 in science César-François Cassini de Thury Astronomical year numbering Giovanni Domenico Maraldi Messier 2 French Geodesic Mission Joseph-Nicolas Delisle 1756 in science Comet of 1729 List of astronomers Nicolas Louis de Lacaille Secular variations of the planetary orbits 1756 Pierre Louis Maupertuis Nicolas Sarrabat 1677 Chronology Cassini Orbit of the Moon Year zero February 8 Zodiac History of geodesy