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Extremophile life as a solution to the Fermi paradox

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  For decades scientists have debated the following topic, how come we don't find life beyond Earth in such a vast universe? This is the so-called Fermi paradox, and many solutions have been proposed, well, I'll show you mine . Researchers from   search for extraterrestrial intelligence  ( SETI )   generally try to look for alien life by looking for earth-like worlds, well at least within the habitable zone of a star, now maybe the problem is that we are not thinking far enough. Perhaps life outside of Earth is so radically different from what we know to the point that it challenges our understanding of what "life" is, making it difficult to find or contact it. Now let's extrapolate how different it could be  :    In 1973, astrophysicist Frank Drake suggested that intelligent life could live inside neutron stars, based on this, American physicist Robert Forward published a speculative fiction book in 1980  " Dragon's Egg "  which deals with a first c