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For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.

2 votes
1 answer
129 views

Can ammonia and sulfur dioxide oceans coexist?

I have a world that has a 0.2 bar atmosphere and at -65°C, so theoretically, ammonia and sulfur dioxide can exist as a liquid in those conditions. What if an ocean of both liquids existed? Would it ev …
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3 votes
7 answers
2k views

Sterilising a planet quickly and realistically [duplicate]

So in a red dwarf system with two planets, both of them develop life, but the inner planet develops advanced life much quicker than the outer one and is equivalent to current human tech, maybe a littl …
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