The fascinating aspect of your post is that scientifically we continue to think of 'life' as 'life as we know it'
A civilization that evolves completely underwater (and in Europa's case divided from one underwater oasis to the next) might be possible even if it means the absence of fire.
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If I was an "ocean under an ice layer" based civilization this might be my best way to get an object into orbit.
Was the plume aimed at anything in particular?
The fascinating aspect of your post is that scientifically we continue to think of 'life' as 'life as we know it'
A civilization that evolves completely underwater (and in Europa's case divided from one underwater oasis to the next) might be possible even if it means the absence of fire.