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Asteroid Ryugu: All five canonical bases of DNA and RNA were identified in samples returned from it by the Hayabusa2 spacecraft, a finding that strengthens the hypothesis that carbonaceous asteroids contributed to the starting materials for life on Earth.

All five bases of DNA and RNA were found in the asteroid Ryugu

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New research on Ryugu samples, combined with findings from the asteroid Bennu, from which the samples were brought to Earth, strengthens the hypothesis that carbonaceous asteroids provided the early Earth with important starting materials for the chemistry of life.
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