Every once i na while I come across something that strikes a deep chord. This one struck several with the beauty of the images, the immensity of the universe, and the incredible density of stars, all potentially warming other worlds, seen in these photos. Take the time to read through this post, there is a lot to learn and much at which to wonder:

http://www.badastronomy.com/bablog/2007/12/13/top-ten-astronomy-pictures-of-2007/