"across Titan's vast ocean, the overall weight of life could measure "only a few kilograms at most – equivalent to the mass of a small dog," Affholder explains"
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Titan Could Have An Alien Biosphere – But It Might Be Dog-Sized
Titan, Saturn's largest moon, could harbor life in its hidden underground ocean – yet Titan's entire aquatic biosphere may weigh no more than a miniature poodle, according to new research.