A real close close-up

It's hard not to be impressed with the full-size image of Comet 67P/Churyumov-Gerasimenko, taken from the Rosetta spacecraft.  If you follow the link, make sure you click on the "Download Hi-Res" button.  The detail is really astonishing.

http://www.esa.int/spaceinimages/Images/2014/10/Comet_on_30_September_NavCam