Great Filter

Signs and Portents

Jedi Mind Trick's picture

This week has been tough on humanity’s hopes for interstellar colonization. Earlier this week, two promising exoplanets within 20 LY of Earth are now pretty certain to not only not harbor life or life supporting qualities - they don’t even exist. And, if that isn’t enough, astronomers have located a planet that is not only in the habitable zone of its star (Kepler 186 somewhere in the Cygnus constellation), but also almost the exact same size as Earth. 

 

Ok, JMT, you say, I get the first part…but why is finding a planet that is both Earth sized and in the habitable zone a not so good thing?

 

Mostly because it portends the near-term extinction of humanity…

 

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