Cassini division

Cassini division The largest gap in the rings around the planet Saturn, located between rings A and B. chondrule A small nodule, consisting of silicate materials, found in certain types of meteorites and asteroids. 

Cassini, Giovanni Domenico (1625-1712) Italian-bom French astronomer, who was professor of astronomy at Bologna. In 1669 he moved to Paris to run the new observatory there, becoming a French citizen inl673. He is best known tor his discovery (1675) of the gap that divides Saturn s ring system into two parts, now called the Cassini division. He also discovered four new satellites of Saturn. 

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