Comet 67P seen from distance of 30km on 23 Apr by europeanspaceagency (via http://flic.kr/p/GDkCsw )
Comet 67P seen from distance of 30km on 23 Apr by europeanspaceagency (via http://flic.kr/p/GDkCsw )
Comet 67P seen from distance of 30km on 23 Apr by europeanspaceagency (via http://flic.kr/p/GDkCsw )