THE SMART TRICK OF MOONS THAT NOBODY IS DISCUSSING

Ganymede seems to acquire quite a few ocean levels, stacked up with levels of ice in between them. The best level of ice may be the crust, which might be about one hundred fifty kilometers (about 90 miles) thick. The lowest ocean level may be 800 kilometers (about 500 miles) below that, just above the 1st layer on the moon’s rocky interior.Earth'