SpacePorn: Tethys the Spy: Saturn's moon Tethys appears to be peeking out from behind Rhea, watching the watcher. [687x670]

http://www.nasa.gov/sites/default/files/thumbnails/image/pia18293_full.jpg via /r/spaceporn http://www.reddit.com/r/spaceporn/comments/2q40nb/tethys_the_spy_saturns_moon_tethys_appears_to_be/