Watch out, Titan! Vader's onto you!

When digital imagery in astronomy came along about 25 years ago, I knew right away it would change everything, but one thing I didn't expect was the advent of citizen science. Spacecraft and observatories store their images on hard drives, and anyone with access and the knowledge of how to process that data -- no simple task, I assure you! -- can use it to do their own work. It also means smart, talented people can take that data and put it together to make stunning pictures of space that otherwise may never see the light of day. Gordan Ugarkovic is one of these people. He's a Croatian software developer, but in his spare time takes data from spacecraft and makes simply devastating portraits from them. Like this one of Saturn's moons Tethys and Titan as seen by Cassini: