Yeah, I buy the filter being early. That does seem like a freak accident, even with all that time for it.

But on the spread of civilization, this is why I love Orion’s arm: if a civilization like ours makes it another few thousand years, it’ll basically expanded in a bubble at a high fraction of the speed of light, meaning civilization should have spread across galaxies by now:

www.orionsarm.com/eg-article/49333a6b7d29f

And the fiction, even as wild as it is, gives the somewhat unsolved Fermi Paradox a lot of thought:

www.orionsarm.com/eg-article/464d087672fe7

I particularly like the ‘Ginnungagap Theory’ that, perhaps, there’s some unknown barrier to expansion.

www.orionsarm.com/eg-article/464e942db2789