Comet 67P close-up - OSIRIS by europeanspaceagency (via http://flic.kr/p/okcN2K )
Comet 67P close-up - OSIRIS by europeanspaceagency (via http://flic.kr/p/okcN2K )
Comet 67P close-up - OSIRIS by europeanspaceagency (via http://flic.kr/p/okcN2K )