Cassini division

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noun Astronomy.

a 3,000-mile (4,800-km) wide dark region that separates the middle and outermost rings of the planet Saturn.

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Origin of Cassini division

First recorded in 1870–75; named after Italian astronomer Giovanni Domenico Cassini (1625–1712), who discovered it in 1675

Words nearby Cassini division

cassie, cassimere, Cassin, cassina, Cassini, Cassini division, Cassino, Cassiodorus, cassiope, Cassiopeia, Cassirer

How to use Cassini division in a sentence

Except the Braves did not win 14 straight pennants (they did win 14 straight division titles), and Smoltz is a also Republican.
Conservative Curt Says His Politics, Not His Pitching, Kept Him Out of the Hall of Fame|Ben Jacobs|January 9, 2015|DAILY BEAST
President Eisenhower sent the 101st Airborne Division to force Faubus to admit the students to Central High School.
The ‘No Child’ Rewrite Threatens Your Kids’ Future|Jonah Edelman|January 3, 2015|DAILY BEAST
So here, for your Christmas Eve pleasure, are 20 of my favorites, 10 from the ecclesiastical division and 10 secular.
Yes, I Like Christmas Music. Stop Laughing.|Michael Tomasky|December 24, 2014|DAILY BEAST
Excerpted by permission of Harper Books, a division of HarperCollins Publishers.
How Richard Pryor Beat Bill Cosby and Transformed America|David Yaffe, Scott Saul|December 10, 2014|DAILY BEAST

Published by Clarkson Potter/Publishers, a division of Penguin Random House, LLC.
Make These Barefoot Contessa Chicken Pot Pies|Ina Garten|November 29, 2014|DAILY BEAST
With each division, in addition to the divisional staff, there were officers detached from the headquarters staff.
Napoleon's Marshals|R. P. Dunn-Pattison
Given one more Division we might try: as things are, my troops won't cover the mileage.
Gallipoli Diary, Volume I|Ian Hamilton
In her he felt again, more distinctly than before, another person—division, conflict.
The Wave|Algernon Blackwood
A second main division of our schooling was mathematical instruction of a sort.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
The fillip given would have been far, far greater than that which the mere numbers (1,200 for the Division) would seem to imply.
Gallipoli Diary, Volume I|Ian Hamilton

Scientific definitions for Cassini division

Cassini division

[ kə-sē′nē ]

The large gap between Saturn's two most prominent rings (the outer A ring and middle B ring), appearing as a dark void but actually containing small amounts of opaque material. It is formed as a result of particles being removed from the area by the gravitational pull of Mimas, one of the smaller of Saturn's moons. The division is named after the Italian astronomer, Giovanni D. Cassini (1625-1712), who discovered it in 1675.