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Fermi Paradox Part III: Why Aren’t They Here?
A Bussard ramjet, one of many designs for a true interstellar spacecraft. Ramjets wouldn’t go more than a fraction of the speed of light. By NASA [Public domain], via Wikimedia Commons This is the third in a series of three … Continue reading
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Tagged colonization, Drake equation, extraterrestrial life, interstellar travel, SETI
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Traveler's Tales 