"It's like winning the lottery."

tectonic planet are rare

  • Grandwolf319@sh.itjust.works
    61·
    5 个月前

    This is the answer,

    100 different civilizations could have happened in our galaxy in the last 1 million years with only a few centuries of them emitting detectable signals.

    And it could be worse, it could be 10 civilizations in the last 1 billion years.