Our solar system's ocean moon may be habitable — and their icy shells could hold proof

Since a young teenager I've never ceased to be fascinated with E. E. "Doc" Smith's 'Lensman' Sci-Fi series and his supremely wide ranging rendering of possible life throughout an equally wide range of environments, particularly possible intelligent life, in the universe in it. Multi-dimensional life / life existing in many dimensions of environments and life!
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