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When we look out at alien worlds, are those alien worlds looking back?

23 Oct 2020, 13:00 UTC
When we look out at alien worlds, are those alien worlds looking back? NASA, ESA, M. Kornmesser

When I was a kid, and survived on a diet of 100% trashy sci-fi, I would sometimes go outside at night, look up at the stars, and wonder how many worlds were out there. More to the point, who was out there looking back at me. I'll admit the thought made me uneasy, like I was vulnerable, exposed, examined by calculating alien brains contemplating Earth as an easy target. For what, exactly, didn't matter; the feeling was still discomfiting.

 

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