Notice how distant Tethys (one of Saturn's moons, 1062 kilometers in diameter) beautifully rolls over a Titan's disk (Saturn’s largest satellite, 5150 kilometers in diameter):
This photograph, created on November 26 of last year, is only one of thirty beautiful photographs delivered to Earth from the Cassini staff over the past few months andpublishedin The Boston Globe on March 21.
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I strongly recommend watching all of them, because the Saturn system is generally a very spectacular place.