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The Drake Equation Revisited (FoxCrow) View |
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Fermi Revisited (Sonsie Face) View |
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Drake Equation for Life Science (mantismundi) View |
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The Drake equation vs the Fermi paradox (YOU DECIDE) View |
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The Drake Equation (is not a (Steven Baumann) View |
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The Drake Equation - fc (fraction of intelligent civilizations that develop communication) (Patrick Schouten) View |
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drake equation and the fermi paradox nab explanation (Lasse) View |
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(nerdglassfilms) View |
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Alien Encounter: Is the Fermi Paradox the answer (Stellar) View |
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How Do We Know That Aliens Exist (How Do We Know That) View |