LITTLE KNOWN FACTS ABOUT BEST MOONS.

Ganymede seems to have quite a few ocean levels, stacked up with levels of ice in between them. The very best standard of ice is the crust, which might be about 150 kilometers (about 90 miles) thick. The lowest ocean degree might be 800 kilometers (about 500 miles) down below that, just earlier mentioned the main layer from the moon’s rocky insid