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Q&A Would a geologically ancient world be habitable?

Assuming an earth-like planet, but with several billion more years of cooling and settling (and with no moon to create tides). I'm imagining this planet would be geographically and tectonically te...

2 answers  ·  posted 6y ago by Evan Dicken‭  ·  last activity 6y ago by Evan Dicken‭

Question geography tectonics