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Mutual event of Janus and Epimetheus

Mutual event of Janus and Epimetheus

NASA / JPL / SSI / Emily Lakdawalla

Mutual event of Janus and Epimetheus
On November 29, 2005, Cassini caught a "mutual event" of Janus and Epimetheus from a distance of about a million kilometers (600,000 miles). Most of the specks in the image are cosmic ray hits on the camera detector, but a few that appear to move from frame to frame are background stars. The faint double band of light below the two moons is the G ring, seen nearly edge-on. The moons are observed from their night sides; they are illuminated from the lower right by the Sun into thin crescents, and their night sides are faintly lit by reflected light from Saturn.

This work is licensed under a Creative Commons Attribution 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Emily Lakdawalla

Original image data dated on or about November 25, 2005

Explore related images: pretty pictures, Cassini, amateur image processing, Saturn's small moons, global views, Saturn's moons, many worlds, animation

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