Cassini's narrow angle camera captures Saturn's tiny irregular moon Janus surrounded by the vast, dark expanse of the outer solar system.
Janus (111 miles, or 179 kilometers across) shares an orbit with the moon Epimetheus; the two moons change orbital positions roughly every four years.
This view looks toward the Saturn-facing side of Janus. North on Janus is up and rotated 38 degrees to the left. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Sept. 10, 2013.
Written By: NASA
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