We can calculate orbits and locations in 3-dimensional space. We do this all the time, from satellites to local planets. This is no different, just larger (time)scales.
Those assume that things are always the way they are during our time, who’s to say that things weren’t drastically different 100 million years ago
With how easily the world recovers from natural disasters and man-made events, it’s not that hard to think that the universe could easily recover from crazy changes over the course of millions of years… We know nothing, we speculate and theorize, we can prove none of this, regardless of models, AI, or time scales
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u/[deleted] 12h ago edited 12h ago
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