[saberdancer]

I don't understand with this fascination with the Great Filter. I am sure there are many filters out there, from having a Sun that lives long enough, that doesn't throw off flares very often, need for a magnetic field to shield advanced organisms, water, fossil fuel creation, gravity that can be beaten with fossil fuel rockets, big moon to reduce number of asteroid hits to the planet, just enough water to have continents yet plenty to reduce temperature differences, no tidal locking, ...