The Contact Era: the Fermi Paradox Revised --A new solution to the Fermi Paradox is presented: probes or visits from putative alien civilizations have a very low probability until a civilization reaches a certain age (called the Contact Era) after the onset of radio communications.
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The ‘Alien Contact Era' to Earth’s Water is…
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The Contact Era: the Fermi Paradox Revised --A new solution to the Fermi Paradox is presented: probes or visits from putative alien civilizations have a very low probability until a civilization reaches a certain age (called the Contact Era) after the onset of radio communications.