الجمعة، 28 أكتوبر 2011

There are four moons in this photo

The image comes from the Cassini-Huygens space probe, presently imaging the area around Saturn.  Titan is the big moon in the background, with Dione in front of it.  Pandora is just beyond the rings to the right.  To find Pan, you will probably need to visit the source of this image - NASA's incomparable APOD website (and thereby learn about the Encke Gap, and what causes it...)

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