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News Junkie
Space aliens would never visit earth
Mon Mar 6, 2017 6:56pm
2001:1970:5c22:6100:a543:78e:8235:a5e3

If they are fully adapted to space they would avoid any deep gravity well and stick to resource-rich asteroids, comets, and maybe the moons of gas giants. Visiting earth would be prohibitively expensive, just as it is for us to leave.


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