> Earth = eggs in one basket. A super volcano like Yellowstone could easily kill 90%+ of our species in the first year after an eruption and most of the other a

> Earth = eggs in one basket. A super volcano like Yellowstone could easily kill 90%+ of our species in the first year after an eruption and most of the other animal (and plant) life. Big rocks have smashed into Earth before and will again. A pandemic could easily spread across the planet in months decimating population and launching us back into the stone age. And none of those things would affect an antarctic colony.