NASA Cassini spacecraft captured Saturn moon Prometheus, orbiting near the streamer-channels it has created in the thin F ring, casts a shadow on the A ring in this image taken a little more than a week after the planet August 2009 equinox.
NASA Cassini spacecraft captured Saturn moon Prometheus, orbiting near the streamer-channels it has created in the thin F ring, casts a shadow on the A ring in this image taken a little more than a week after the planet August 2009 equinox.