Ganymede appears to get various ocean levels, stacked up with levels of ice in between them. The best standard of ice is the crust, which might be about one hundred fifty kilometers (about 90 miles) thick. The lowest ocean level may be 800 kilometers (about 500 miles) under that, just https://moons38259.blogs-service.com/65550775/how-much-you-need-to-expect-you-ll-pay-for-a-good-bestmoons