Comet 67P - flyby context by europeanspaceagency (via http://flic.kr/p/rvjo5k )
Comet 67P - flyby context by europeanspaceagency (via http://flic.kr/p/rvjo5k )
Comet 67P - flyby context by europeanspaceagency (via http://flic.kr/p/rvjo5k )