• Flying Squid@lemmy.world
      link
      fedilink
      arrow-up
      10
      arrow-down
      1
      ·
      2 months ago

      Ironically, one proposed way of discovering whether or not a planet has advanced life on it is to look for things we’ve created to poison our own atmosphere like CFCs.

    • MadMadBunny
      link
      fedilink
      arrow-up
      2
      ·
      2 months ago

      We’d need to send an asteroid first to make sure we have some by the time we get there…