Asteroid belt dwarf planet Ceres may be an "ocean world"
A home only 18 months from home.
Ceres. Image: NASA/JPL
Ceres, a dwarf planet in the asteroid belt, may be an ocean world—at least in the sense that the apparently rocky surface may hide massive quantities of brine. Water is now thought by some scientists to be common in the solar system, and conditions on the 250-mile wide world invite suspicions it will be found there in abundance.
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