First image returned from the Messenger at Mercury. Click for larger. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

Just look at that!  The first image of Mercury is just amazing. We will have to wait a little for the rest, probably tomorrow.  That big crater in the upper right is called Debussy, if you look west of there you will see a smaller crater with two dark rays.

Clicking the image will get you a larger version.  If you want the full sized version with a description you just need to go to the Messenger site – worth your while too.