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www.egusphere.net | ||
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www.copernicus.org
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www.nature.com
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| | | | | Early in Earths history, the Sun provided less energy to the Earth than it does today. However, the Earth was not permanently glaciated, an apparent contradiction known as the faint young Sun paradox. By implication, the Earth must have been warmed by a stronger greenhouse effect or a lower planetary albedo. Here we use a radiativeconvective climate model to show that more N2 in the atmosphere would have increased the warming effect of existing greenhouse gases by broadening their absorption lines. With ... | |
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publications.copernicus.org
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alwaysasking.com
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| | | Is the universe fine-tuned? In other words, were physical laws and constants of nature somehow chosen to allow complex life to arise? | ||
