Cassini Spies “Unusual” Red Arcs on Saturn’s Icy Moon Tethys
Recently acquired images of Tethys , one of the ice moons of Saturn , have establish scientists their best scene yet of several “ strange , arc - shaped blood-red streaks ” that sweep across the satellite ’s airfoil . Via JPL : Images taken using clear , green , infrared frequency and ultraviolet spectral filter were compound to create the enhanced - colouring material views , which highlight subtle color differences across the wintry moon ’s surface at wavelengths not visible to human eyes ....