Asteroid dust suggests life's building blocks formed inside frozen cosmic ice
Analyses of dust from the asteroid Ryugu reveal that complex organic molecules, essential for life, likely originated within the frigid, icy environments of the early solar system before being incorporated into rocky bodies.
Laboratory studies of samples returned by Japan’s Hayabusa2 mission suggest that prebiotic molecules like amino acids formed inside icy dust clouds long before Earth existed. Researchers believe these organic compounds were created through chemical reactions in intense cold and then preserved as the ice melted and reacted with minerals inside asteroids.
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