RT @ESA_Rosetta: More science: my teams studied the orbits of 4 chunks moving around #67P – here’s one: wp.me/p46DHN-1gF http://t.co/cL7r77J4mL
RT @ESA_Rosetta: More science: my teams studied the orbits of 4 chunks moving around #67P – here’s one: wp.me/p46DHN-1gF http://t.co/cL7r77J4mL