ringshine

noun

1. (uncountable)Sunlight that is reflected from the ring around a planet (such as the one around Saturn), visible on the night side of the planet.

   “The spacecraft photographed the planet's sunlit crescent, the ring shadows falling on the planet, and Saturn's dark hemisphere illuminated by "ringshine."”

   “One, the ``dragon storm, is shown in Figure 5.28 (see color section), while another example, on Saturn's night side, but illuminated by ``ringshine (i.e., light reflected from Saturn's rings) is shown in Figure 5.29.”

   “Elephant juddered briefly, making the insertion burn, and then they were racing around the dark side of Saturn, faintly illuminated by the ghost light of ringshine.”