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Crescent Janus (Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunar Explorer Italia)
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Caption NASA:"The Cassini Spacecraft snapped this exquisite, close-up view of Saturn's moon Janus, looking toward the South Polar Region, on Feb. 20, 2008.
Janus is about 181 Km (approx. 113 miles) across.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera. The view was acquired at a distance of approx. 169.000 Km (such as about 105.000 miles) from Janus and at a Sun-Janus-Spacecraft, or phase, angle of 71°. Image scale is roughly 1 Km (about 0,6 mile) per pixel".
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(Dettagli)
