Trust me it's as easy as it sounds. Turn in your name and you'll even be credited! Try to determine spiral, elliptical, and merging galaxies from fuzzy original photos. The computer program can pick out the galaxies, but the human eye is the only thing that can classify them.
Easy as it sounds, labelling can be tricky. They are awfully fuzzy, and sometimes you have to identify photographs from a bad angle.
Got some down time? Let's classify some galaxies!
P.S. The GalaxyZoo blog will be on the blogroll from now on too! Check it out!