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168 points julienchastang | 1 comments | | HN request time: 0.201s | source
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belinder ◴[] No.43711682[source]
If life evolves on a planet with only oceans, no surface, imagine how much longer it would take to discover rockets that can leave the planet.

Like if there was no surface on earth, and only fish, there must be some very significant reason for advanced fish to even want to leave the water, let alone the atmosphere

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1. levocardia ◴[] No.43712716[source]
"If life evolves on a planet with land, instead of only oceans, imagine how much longer it would take to discover boats and submarines that can travel on and under the water!" - Xenobiologists on K2-18b after detecting possible signs of life on the Sol system's third planet.