I'm categorising galaxies!! This is one of mine (587729386066804930)
which I've categorised as a clockwise spiral galaxy. It's quite a responsibility! And it is also very absorbing.
The pictures were taken from the Sloan Digital Sky Survey. And, you can join in (if you pass the trial!) by Galaxy Zoo.
"Sir Patrick Moore, an enthusiastic supporter of the project, said: ‘Non-professionals have always been deeply involved in studying the sky and they now have yet another opportunity to make themselves really useful. Moreover, their help is now of immense value so do join up – as I am doing myself!’"