Cassini

American  

[kuh-see-nee, kah-] / kəˈsi ni, kɑ- /

noun

1. Oleg Oleg Cassini-Loiewski, 1913–2006, U.S. fashion designer and businessman, born in France.

2. a walled plain in the first quadrant of the face of the moon: about 36 miles (56 km) in diameter.

3. Geometry. oval of Cassini.

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Cassini British  

/ kæˈsiːnɪ /

noun

1. Giovanni Domenico. 1625–1712, French astronomer, born in Italy. He discovered (1675) Cassini's division , the gap that divides Saturn's rings into two parts, and four of Saturn's moons

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Example Sentences

Although NASA's Cassini spacecraft transformed our understanding of Saturn during its 13 year mission, it also uncovered new puzzles, including the surprisingly young age of Saturn's rings and Titan's shifting orbit.

From Science Daily • Feb. 27, 2026

In the 17th century, Christiaan Huygens and Giovanni Cassini focused their telescopes on Saturn and realized its bright bands were not solid features.

From Science Daily • Nov. 10, 2025

Jupiter's iconic Great Red Spot has persisted for at least 190 years and is likely a different spot from the one observed by the astronomer Giovanni Domenico Cassini in 1665, a new study reports.

From Science Daily • Jun. 19, 2024

When scientists using NASA's Cassini space probe discovered organic compounds in blocks of ice from Enceladus, they wondered if this meant the Saturnian moon might have the ingredients for life.

From Salon • May 29, 2024

They joined Joe Cassini and Dan Martin at the cherry picker.

From "Frightful's Mountain" by Jean Craighead George