Ganymede seems to possess a number of ocean layers, stacked up with layers of ice between them. The best volume of ice may be the crust, which might be about a hundred and fifty kilometers (about ninety miles) thick. The lowest ocean degree may be 800 kilometers (about five hundred https://moons38360.gynoblog.com/33876589/the-smart-trick-of-moons-that-nobody-is-discussing