January 9, 2008

2.7 APOD

Saturn's Ancient Rings
Saturn's rings were thought to be recently formed by the moon sized object that broke up near the planet. But new evidence have suggested that the rings are much older than expected, maybe even as old as Saturn itself. It could have been because of the ring particles that collided with each other and brought out the newer particles to surface that mislead astronomers to think that the rings were newer.

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