Ganymede appears to acquire a number of ocean layers, stacked up with layers of ice in between them. The highest degree of ice is definitely the crust, which could be about one hundred fifty kilometers (about ninety miles) thick. The lowest ocean level might be 800 kilometers (about five hundred https://milozabbz.izrablog.com/35269814/5-tips-about-best-moons-you-can-use-today