Ganymede appears to possess several ocean levels, stacked up with levels of ice in between them. The highest standard of ice is definitely the crust, which could be about one hundred fifty kilometers (about 90 miles) thick. The bottom ocean amount can be 800 kilometers (about five hundred miles) underneath https://moons48269.link4blogs.com/55990495/5-tips-about-best-moons-you-can-use-today