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November 7th, 2008

Casinni Captures Clobbered Janus and Saturn RIngs


Casinni view of Saturn's moon Janus The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. Some of the craft's latest imagery reveals Saturn's battered moon, Janus, which wears the record of a long history of surface impacts.

Janus (179 kilometers, or 111 miles across) orbits just beyond the outer reaches of Saturn's A and F rings, which are seen in this view, which looks toward the unilluminated side of the rings from about 4 degrees above the ringplane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Sept. 28, 2008. The view was obtained at a distance of approximately 1.1 million kilometers (703,000 miles) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 28 degrees. Image scale is 7 kilometers (4 miles) per pixel.