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How much longer would the Earth's orbit around the sun have to be for (most of) the planet to be uninhabitable?
Would 10% do it? The poles get pretty damn chilly as it is, if we added another month in there between December and January, would the whole of Europe be similar?
Would 10% do it? The poles get pretty damn chilly as it is, if we added another month in there between December and January, would the whole of Europe be similar?
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Date: 2012-12-20 08:59 pm (UTC)http://en.wikipedia.org/wiki/Habitable_zone#Solar_System_estimates
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Date: 2012-12-20 09:36 pm (UTC)For the specific question of Europe, the variables seem to include plate tectonics as well as ocean currents: consider that London is significantly closer to the pole than Toronto.
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Date: 2012-12-21 12:02 pm (UTC)It could be hypothesised that biological life geoengineers conditions to suit itself, although that may imply that oxygen-breathing organisms that followed the earlier O2-belching life were omnipotent...
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Date: 2012-12-21 12:05 pm (UTC)