Movies (GIF files) of simulated Earth scenes today and during the last climatic Quaternary extrema, at spring time:
during the Holocene optimum 6 kyr BP (Before Present) and the Last Glacial Maximum, 21 kyr BP.

Reference:
Arnold et al. 2009, International Journal of Astrobiology

News on Centauri Dreams (Jan. 21, 2009)
News on Astrobiology Magazine (Feb 12, 2009)


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