Labels:bulletin board | encyclical | fence | pole | sand | sea | sky OCR: the planet Mercury impact Ganymede's surface wii unlike craters and dark areas, aters that of our own Moon. are host easily seen in this about 150 kilometers e Ganymede is an old mo back its craters are thought nod about 4 billion vears of most intense craterin our solar systemn In add craters, there are huge faults on Ganymede Besides the Earth, Gany only place in the solar been where faults of this type planei Mercur impac Ganvnede Ganynede isar thouehtt mmost craterir system ters