Quote:
Originally Posted by renormalised
The habitable zone around the Sun is more than large enough to encompass any conceivable deviation in the Earth's orbit, apart from catastrophic ones. However, a substantial change in the eccentricity of the orbit of the planet would cause problems. At present, the seasonal changes in solar insolation averages out to around 6%. If it were to become substantially larger or smaller, there would be climate consequences for the planet.
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What's your take on paleoclimatology then. Do these new findings throw a spanner in the works or is it still valid?