A distant moon harbors a hidden ocean vaster than Earth's—sustained not by warmth from above, but by...
Europa is smaller than Earth's Moon, yet the ocean locked beneath its ice contains more liquid water than every ocean on Earth combined — kept from freezing not by sunlight, but by Jupiter's gravity squeezing the moon like a slow, endless fist
A distant moon harbors a hidden ocean vaster than Earth's—sustained not by warmth from above, but by the relentless gravitational squeeze of its giant host.
Author: Space Daily
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