Saturday, December 31, 2005
More Moons
Polydeuces shares an orbit with Dione. It's a small fry as far as known moons go: only about 13 by 8 miles. Here it is with the rings edge-on in the background:
Here we have a shot of Hyperion. In closer images, it looks like a sponge. On a massive scale is sort of feels like one, too. It has a density of about 3/5ths that of water. The thinking is that this moon is about 40-50% empty space.
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Here we have a shot of Hyperion. In closer images, it looks like a sponge. On a massive scale is sort of feels like one, too. It has a density of about 3/5ths that of water. The thinking is that this moon is about 40-50% empty space.
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