Enceladus, the sixth-largest moon of Saturn, may not be as wet and warm at its core as scientists had hoped. The tiny moon, whose diameter is roughly 500 km across, could fit in the length of the United Kingdom.
Scientists long thought the moon to be a cold barren frozen ball of ice, but recent evidence from the 2005 Cassini spacecraft revealed spouts of liquid water near the moon’s south pole. However, new models suggest that the continued thermal activity of the moon will fade, causing the liquid water sub-surface ocean to slowly freeze over the next 30 million years.
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Source : LiveScience
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