NASAのインスタグラム(nasa) - 9月16日 00時55分

Crescent Mimas: A thin sliver of Mimas is illuminated, the long shadows showing off its many craters, indicators of the moon's violent history.

The most famous evidence of a collision on Mimas (246 miles, or 396 kilometers across) is the crater Herschel that gives Mimas its Death Star-like appearance. This view looks toward the anti-Saturn hemisphere of Mimas. North on Mimas is up and rotated 40 degrees to the right. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on May 20, 2013. The view was acquired at a distance of approximately 100,000 miles (200,000 kilometers) from Mimas and at a Sun-Mimas-spacecraft, or phase, angle of 130 degrees. Image scale is 4,000 feet (1 kilometer) per pixel.

Credit: NASA/JPL-Caltech/Space Science Institute

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