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Published byRiley Baldwin Modified over 11 years ago
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La fin du monde
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Évolution des températures minimales et maximales
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1848 1970
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19951910
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Septembre 1979 – Septembre 2005
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================ METHANE ======= MILLIARD
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Drake Equation N = R * f p n e f l f i f c L Rate of formation of Sun- like stars Fraction of stars with planets # of Earthlike planets per system Fraction on which life arises Fraction that evolve intelligence Lifetime of advanced civilizations Fraction that commun- icate # of advanced civilizations we can contact Frank Drake ~10
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HD 188753 149 a.l., système triple Eventuel satellite rocheux Hot Jupiter, 2005
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Gliese 581c (20 a.l., zone habitable), avril 2007
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Laetoli (Tanzanie) : 3,7 MaMer de la Tranquillité (Lune), 1969
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