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alvinofdiaspar t1_j6uckgw wrote

The underground oceans might also be some kind of eutectic - say water and ammonia. It lowers the melting point to such an extent that it stays liquid at temperatures that would otherwise freeze water.

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ruetoesoftodney t1_j6wclg5 wrote

Just fyi with liquids it's commonly called an azeotrope, not a eutectic (which is for solids despite them being the same thing in two different phases).

Primarily different terms because it's different branches of engineering that deal with the two.

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