It Starts with a Paradox

Part 2 of World Build­ing for Sci­ence Fic­tion Part 2—It starts with a para­dox   Pho­to by Rakice­vic Nenad from Pex­els     The Fer­mi para­dox tries to answer: Where are they (the aliens)? It looks at how fast trav­el is across the galaxy.  It says by infer­ence the time to explore the 100 billion […]

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