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captain normal [soylentnews.org] writes:

Scientists theorize that space aliens may already be here, but we don’t recognize them because they are too small.
"Stargazing scientists have recently begun to focus on the prospect of encountering intelligent extraterrestrials, and the more they think about it the more they realize the first meeting probably won’t be with little green men in flying saucers.
What aliens might look like is a growing question among astrobiologists (sic), who are increasingly conjuring up creatures more Lilliputian than mega-brained or reptilian."

"...Fraknoi said, “there has been ample time for a civilization to become advanced enough to send alien microbes or micro-artifacts around the galaxy, including to our solar system.”
Astronomers have even concocted a sciency (sic) name, “directed panspermia (sic),” to describe the act by an alien civilization of planting the seeds of life in another world."

https://www.sfchronicle.com/science/article/Scientists-theorize-that-space-aliens-may-already-15061387.php#photo-19012569 [sfchronicle.com]

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