Although computer programs can be written to sort galaxies into general categories, they would inevitably throw out the unusual, the weird and the wonderful, astronomers say. Because the human brain is much better at recognizing patterns, astronomers launched a site this week recruiting the public to help identify spiral galaxies on sky photos. Instructions are offered on the site. The first million viewers are promised to see a portion of sky never before witnessed by human eyes.

Go to: http://www.galaxyzoo.org