inside the dirty snowball of a comet ( nucleus ) by lars on mars (via http://flic.kr/p/EjjTg4 )
inside the dirty snowball of a comet ( nucleus ) by lars on mars (via http://flic.kr/p/EjjTg4 )
inside the dirty snowball of a comet ( nucleus ) by lars on mars (via http://flic.kr/p/EjjTg4 )