​The Sunlit Edge of Saturn's Largest Moon Is Hauntingly Beautiful

This ghostly image shows the sunlit edge of Titan, Saturn's largest moon. Captured by Cassini, it's unilluminated atmosphere provides a hazy yet breathtaking view.

Visible in the darkness is the south polar vortex of the moon, because its clouds are at a higher altitude than the rest of the atmosphere. Snapped from 808,000 miles away, the image makes use of a spectral filter sensitive to wavelengths of near-infrared light centered at 938 nanometers to capture the beauty of Titan. It worked. [NASA]


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