Ganymede seems to possess a number of ocean levels, stacked up with levels of ice between them. The best degree of ice will be the crust, which could be about one hundred fifty kilometers (about ninety miles) thick. The bottom ocean amount could be 800 kilometers (about 500 miles) beneath https://best-moons16947.blog-a-story.com/15651297/helping-the-others-realize-the-advantages-of-bestmoons