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Asteroid Samples May ‘Rewrite the Chemistry of the Solar System’

One-fifth of an ounce of dark specks brought to Earth from an asteroid by a Japanese spacecraft are some of the most pristine bits of a baby solar system ever studied, scientists announced on Thursday.

That fact should help planetary scientists refine their knowledge of the ingredients in the disk of dust and gas that circled the sun about 4.6 billion years ago before coalescing into the planets and smaller bodies.

“We must rewrite the chemistry of the solar system,” said Hisayoshi Yurimoto, a professor of earth and planetary sciences at Hokkaido University in Japan and the head of the research analysis described in a paper published by the journal Science on Thursday.

Read more at The New York Times

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