Panspermia – a natural process or intentional action of extraterrestrials?

panspermia

Panspermia (from ancient Greek πᾶν (pan) – everything and σπέρμα (sperm) – semen) is the hypothesis that life exists throughout the Universe and is spread by cosmic dust, meteoroids, asteroids, comets and asteroids, as well as spacecraft carrying unintended microbial contamination, known as directed panspermia. The theory states that life did not originate on Earth, … Read more

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