Saturn-lit Tethys Saturn-lit Tethys Cassini gazes across the icy rings of Saturn toward the icy moon Tethys, whose night side is illuminated by Saturnshine, or sunlight reflected by the planet. via NASA http://ift.tt/2w11uQk Amazon.de Widgets Teilen mit:FacebookTwitterGoogleTumblrPinterest Ähnliche Beiträge