April 3, 2009--An infrared image shows bright areas in Hotei Arcus, a region on Saturn's moon Titan that may be the site of current volcanic activity--possibly the first active ice volcano to be seen on Titan.

Over the past four years NASA's Cassini probe has snapped several shots of Hotei Arcus that show changes in brightness. The changes match the signature of ammonia frost, which could be the product of cryovolcanism.

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