The Cassini Division of Saturn's Rings


Cassini Division: The Cassini division is a large gap in Saturn’s rings discovered by Gian Domenico Cassini in 1675. The division formed as a result of Saturn’s moon Mimas tugging all of the ring particles (mostly ice) in that section of the rings out of position. In time, this created a large gap where there are very few particles. This 2,800 mile wide gap can begin to be glimpsed with a 4 inch aperture telescope in good seeing. So the next time you’re out stargazing try to find the Cassini division, it’s a beautiful sight!

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