Saturn’s moon Titan, seen in the infrared from the Keck Observatory, 24 December 2003.  Titan is tidally locked, and takes about 16 days to orbit Saturn, so even over a 7-hour period, we only see a little bit of rotation.  But that’s some pretty decent magnification anyway.  (Program ID C32N2.)

Saturn’s moon Titan, seen in the infrared from the Keck Observatory, 24 December 2003.  Titan is tidally locked, and takes about 16 days to orbit Saturn, so even over a 7-hour period, we only see a little bit of rotation.  But that’s some pretty decent magnification anyway.  (Program ID C32N2.)