Re: I don't get it
@Axman said: "Why do exobiologist/astroboffins insist on the 'goldilocks zone' thing. We are, after all, talking about alien life.
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... exoticophiles - things like bugs that use solvents other than water, thingymajigs that operate at cryogenic temperatures utilising superfluidity and superconductivity, gassy bags of ephemeral catalysts floating in Jupiter like skies, organised magneto-creatures feeding off of a star's chromosphere... I could go on and on and on."
Simple. As your comment points out, the permutations are dizzying (and currently unknown to science). However, we DO KNOW it works with the "goldilocks" mix so lets start on a certainty to minimise the task. It happened here so is likely to have happened elsewhere.