Scientists think Europa's ice shell is 10 to 15 miles (15 to 25 kilometers) thick, floating on an ocean 40 to 100 miles (60 to 150 kilometers) deep. So while Europa is only one-fourth the diameter of Earth, its ocean may contain twice as much water as Earth's global ocean.
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... ice existed between the crust and deep interior. There also were tantalizing hints that perhaps Europa had a warm interior at some time in the past, and ...
Nov 18, 2020 · Theory and observation indicate that Europa's icy shell is around 15 to 25 kilometers (10 to 15 miles) thick, overlying an ocean approximately ...