<p>^ I don’t. And neither does anyone else. hence it is silly to “calculate” how many alien civilizations are out there, since these “calculations” are based almost entirely on unconfirmed assumptions.</p>
<p>^ I don’t. And neither does anyone else. hence it is silly to “calculate” how many alien civilizations are out there, since these “calculations” are based almost entirely on unconfirmed assumptions.</p>