Cassini Spots Strange Red ‘Arcs’ on Saturn’s Moon Tethys

This enhanced-color mosaic of Tethys shows a range of features including mysterious arc-shaped streaks. The red ‘arcs’ are narrow, curved lines on Tethys’ surface. They are among the most unusual color features on Saturn’s moons to be revealed by the NASA/ESA Cassini spacecraft. Images taken using clear, green, IR and UV spectral filters were combined [...] —> Read More