Since Voyager 1 and 2 passed by Saturn in 1980 and 1981 respectively, scientists have wanted more information about the many amazing icy moons that orbit the gas giant.  The follow up mission to Saturn, Cassini, has been in orbit around the planet for over a decade, and has since mapped the icy moons in their entirety.  Take a look at some of the Voyager images and how they compare to the new colour maps from Cassini.  I should note that the colours in the Cassini images are beyond human vision, extending into infrared and ultraviolet to add some further...