the.com/panspermia

The theory that life on Earth started as hitchhiking space dust, not local talent.

means The hypothesis that life (or its chemical building blocks) originated elsewhere in the universe and was transported to Earth via comets, meteoroids, or cosmic dust, rather than arising here from scratch.

from Greek through and through: 'pan-' meaning 'all,' and 'sperma' meaning 'seed' — the same root that gives us 'sperm' and 'sporadic.' So literally, 'all seed' or 'seed everywhere.' The idea itself is ancient, floated by Greek philosophers like Anaxagoras, but the modern scientific version got serious traction in the late 19th and early 20th centuries through scientists like Svante Arrhenius, who proposed that microbial life could drift through space on radiation pressure alone. The word just dresses up a very old cosmic rumor in proper scientific Greek.

origin
Greek for seeds everywhere
serious proponents
Francis Crick, co-discoverer of DNA
evidence vibe
organic molecules found inside meteorites
implication
we might all be literal aliens
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