Cassini Takes New Images of Saturn's Moons

This unprocessed image of Prometheus was taken by Cassini on Jan. 27, 2010. The image was taken in visible light with the Cassini spacecraft narrow-angle camera. The view was obtained at a distance of approximately 36,000 kilometers (23,000 miles) from Prometheus. (Image credit: NASA/JPL/Space Science Institute)

Newimages from NASA's Cassini spacecraft offer close-ups of two of Saturn's moons.

Apicture of the moon Prometheus was taken from a distance of about 23,000 miles(36,000 km). Prometheus is a potato-shaped satellite is about 63 miles (102 km)long. It is embedded inSaturn's rings.

Dione'saverage surface temperature is minus 303 Fahrenheit (-186 Celsius). It iscovered by smooth plains and not too many craters ? all a sign ofcryovolcanism, or an outpouring of icy liquid from the interior.

Saturn Photographed with Four Moons

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