> Over geological time period, the zone is likely to suffer unpredictable and novel variability
Earth does that too, though. Ice ages, the odd large impact, etc.
Earth does that too, though. Ice ages, the odd large impact, etc.
"Life finds a way" - but if the temperature suddenly jumps 100 degrees because your goldilocks zone librated into the sun, then you ain't got much capacity to evolve protection from that.