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That's still not really a hypothesis that connects to TFA as we're still basically proposing "well, the water just flowed down from higher up!" Put it this way,
by medstrom 2y ago
That's still not really a hypothesis that connects to TFA as we're still basically proposing "well, the water just flowed down from higher up!" Put it this way, Snowball Earth is not itself a hypothesis for where'd the snow come from to make the snowball.
Also doomsday preppers live on the scale of a human lifetime -- you do agree that geological events don't really factor in?
- lazide 2y agoOriginal water came from comets, and the protoplantary nebula. Notably, as ‘high up’ as it’s possible to get eh? And frozen. And doomsday preppers are a personality type visible across all civilizations in some form - due to humanities evolved genetic heritage. Just like every other type.