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The "Eye in the Sky"...
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Caption NASA:"The Cassini Spacecraft turns the eye of its camera toward Saturn's moon Mimas and spies the large Herschel Crater which itself looks like the iris of an eye peering out into space.
Herschel Crater is about 130 Km (approx. 81 miles) wide and covers most of the right of this image. Scientists continue to study this Impact Basin and its surrounding Terrain (see also PIA12568). Lit Terrain seen here is on the Leading Hemisphere of Mimas. North on Mimas is up and rotated 1° to the left.
The image was taken in Visible Light with the Cassini Spacecraft narrow-angle camera on Oct. 16, 2010. The view was obtained at a distance of approx. 103.000 Km (such as about 64.000 miles) from Mimas and at a Sun-Mimas-Spacecraft, or Phase, Angle of 113°.
Image scale is roughly 613 meters (2011 feet) per pixel".
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(Dettagli)
