• Knock_Knock_Lemmy_In@lemmy.world
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    1 month ago

    This is just arrogance.

    We have only been announcing our intelligence for 100 years. It takes 100,000 years just to cross our galaxy. No-one knows we are here yet.

    • SLVRDRGN@lemmy.world
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      1 month ago

      There’s also the Dark Forest hypothesis - the idea that maybe many alien civilizations exist out there but stay silent because revealing themselves would make them targets/prey to a more high-tech hostile civilization.

      • Knock_Knock_Lemmy_In@lemmy.world
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        1 month ago

        3 body problem is a good book for thought experiments, but it didn’t really discuss the arguments against the dark forest hypothesis

        • assumes universal hostility.

        • Interstellar warfare is protracted and impractical.

        • Ignores potential cooperation and ethical diversity.

        • assumes aliens think like humans

      • Bunitonito@lemmy.world
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        1 month ago

        I’d imagine any intelligent alien life form would be intelligent enough to realize that they’ve reached a point at which they can simply life in a sustained utopia. Heal the planet, work less, fill time with hobbies and pursuits. Humans have this flaw, and it’s that the mentally ill squander the world’s wealth and use it for dick-measuring contests. A small minority of us will kill their own mother for a job promotion, and the people at the very top want to squander it all so they see another 0 in their bank account, or outrace the other 7 megabillionaires to the dick-measuring contest on Mars. I could only hope aliens aren’t as as stupid. We could just litter the earth with trees, solar panels, 2 br condos, and hammocks, and have AI work for us, but nope. Every single die shrink leads to more transistor density and never any power efficiency because big numbers are better for shareholders. They sold us downstream. If any alien contacts us or leaves a trace they’re most likely just as dangerous to our survival as we are. Space conquistadors

      • psud@aussie.zone
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        1 month ago

        It’s not convincing because it’s impossible to hide. You always produce waste heat which would be visible (if you use 100W of solar power, you dissipate 100W in deep infra red into space)

        We would expect to see stars putting out an amount of energy for a bright star, but in deep IR as they’re wrapped in Dyson spheres or swarms

        • Knock_Knock_Lemmy_In@lemmy.world
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          1 month ago

          if you use 100W of solar power, you dissipate 100W in deep infra red into space

          If you have a sun nearby then will someone notice the lag?