The Rise & Fall of Star Faring Civilizations in Our Own Galaxy
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Speculation, based on the Drake Equation, regarding the existence & composition of alien civilizations.
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Life Extraterrestrial: Life on Other Planets in the Solar System
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Curriculum framework for comparing Earth to other planets with regard to life.
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The Planetary Society
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A nonprofit organization devoted to the exploration of the solar system & the search for extraterrestrial life.
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Search for ET!
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Interactive Flash tutorial exploring the possibility of & search for life on other worlds.
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