If life originated independently twice in our Solar System it means whole galaxy should be teeming with it.
It doesn't look like it does - so the Great Filter moves from "rise of life" to "rise of complex life", "intelligence", and "technical civilization".
That's very bad news for u,, it dramatically increases the odds that technical civilizations usually destroy themselves soon after they develop.
They die from a high velocity impact with an asteroid. Planet is wiped clean and nothing suggesting life remains.
If life originated independently twice in our Solar System it means whole galaxy should be teeming with it.
It doesn't look like it does - so the Great Filter moves from "rise of life" to "rise of complex life", "intelligence", and "technical civilization".
That's very bad news for u,, it dramatically increases the odds that technical civilizations usually destroy themselves soon after they develop.