| 释义 | 
		Cassini divisionn.(名词)  Cassini divisionThe black band in the center of this close-up view of Saturn's rings is theCassini division.- The large gap between the two most prominent of Saturn's rings, caused by the gravitational pull of the moon Mimas.卡西尼环缝:在两条最显著的土星环间的巨大缝隙,由于土卫一米马斯的引力牵引所造成
 
 - After Giovanni Domenico Cassini  (1625-1712), Italian astronomer After Giovanni Domenico Cassini  (1625-1712), Italian astronomer 
 
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