The picture most of us were given at school was wonderfully simple. Put a star in the middle, draw a...
We tend to imagine the habitable zone as a narrow ring around a star, but icy moons have transformed that picture. Far beyond the reach of life-sustaining sunlight, vast oceans may remain liquid beneath their frozen surfaces—warmed by the constant gravitati
The picture most of us were given at school was wonderfully simple. Put a star in the middle, draw a narrow band around it, and call that the habitable zone...
Author: Space Daily
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