On Saturn's newly-discovered moon

First, scientists find the Mars Polar Lander.
Now, astronomers on the Cassini project have found a moon tucked inside Saturn rings.

The unnamed moon showed up in pictures taken by Cassini last week. The moon appears in the images as a tiny ball in a 155-mile wide black space in the ring known as the Keeler gap.

The edges of the rings even show a wavy pattern that scientists attribute to influence from the moon’s gravity.

The moon appears to be about four miles wide, NASA said.

Nifty!

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