Ganymede seems to possess various ocean layers, stacked up with layers of ice between them. The best standard of ice is the crust, which might be about a hundred and fifty kilometers (about ninety miles) thick. The bottom ocean degree may very well be 800 kilometers (about 500 miles) down https://bestmoons72614.pointblog.net/the-definitive-guide-to-best-moons-79173130