... Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: Saturn never shows a crescent phase -- from Earth. ... The image captures Saturn's majestic rings from the side of the ring plane opposite the Sun -- the unilluminated side -- another vista not visible from Earth. ... During equinox, the rings will be nearly invisible from Earth and project only an extremely thin shadow line onto the planet. ... Publications with keywords: Saturn - saturn rings . ... Saturn s Ancient Rings . ...