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Radiosynthesis - living on radioactive decay energy
Some planets would be more radioactive than Earth, so might support more chemolithoautotrophs than Earth does. If deep biospheres of this kind are commonplace in the universe, these organisms may be the most common (and/or the most widespread) lifeform by mass (and/ or by number).

Also more possible sites for the evolution of sophont biofilms, or natural biogeocomputing substrates (BCGs). BCGs not only appear in Orion's Arm, but are also present in Stephen Baxter's stories - they are a major player in the Proxima duology, and have occasionally appeared in the Xeelee Sequence, too.

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RE: Radiosynthesis - living on radioactive decay energy - by stevebowers - 05-28-2021, 05:21 AM

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