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@Robotbeat I'm agnostic about the overall ethics of culturally motivated expansion.Permalink On twitter.com
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@Robotbeat But people motivated by cultural goals will make different choices than people motivated by preserving the future of terrestrial life.On twitter.com
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@Robotbeat It strikes me that choosing Mars as a backup over say, the moon or Antártica, indicates motives other than life preservation.Permalink On twitter.com
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@Robotbeat And many space enthusiasts are happy to claim these other goals. Great. But then "backup in case of planetary catastrophe" is more of a marketing slogan than a strategic goal.Permalink On twitter.com