Giovanni Domenico Cassini
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Giovanni Domenico Cassini was an Italian-French mathematician, astronomer, astrologer and engineer. Cassini was born in Perinaldo, near Imperia, at that time in the County of Nice, part of the Savoyar
Portrait of Cassini, 17th century
The pinhole-projected image of the Sun on the floor at Florence Cathedral. Cassini measured a similar image over a year at San Petronio Basilica to try to prove the Earth orbited the Sun.
Portrait of Cassini (no later than 1667)
Raccolta di varie scritture (1682)
Tethys (moon)
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Tethys is the fifth-largest moon of Saturn, measuring about 1,060 km across. It was discovered by Giovanni Domenico Cassini in 1684, and is named after the titan Tethys of Greek mythology.
Giovanni Domenico Cassini, discoverer of Tethys
Tethys – Red Arcs (11 April 2015)
Cassini view of Tethys's Saturn-facing hemisphere, showing the giant rift Ithaca Chasma, crater Telemachus at top, and smooth plains at right
Huge, shallow crater Odysseus, with its uplifted central complex, the Scheria Montes, is at the top of this image.