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You might not want them following you home You never know what you might run into out in the deep of space. If you come across a new civilization that would pose an imminent threat to humanity, su...
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#1: Attribution notice removed
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System
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2021-03-30T23:53:18Z (over 3 years ago)
Source: https://worldbuilding.stackexchange.com/a/70410 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/