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Japan asteroid probe finds 23 amino acids, researchers confirm

'Fossil' from early solar system advances understanding into origin of life

The Ryugu asteroid is seen in this photo taken by Hayabusa2 in November 2019. (Handout photo from JAXA)   © Kyodo

TOKYO -- A total of 23 types of amino acids were found in asteroid samples brought back by Japan's Hayabusa2 space probe, according to new studies published in the journal Science and elsewhere, shedding further light on the origins of life on Earth.

Two teams -- one including researchers at Japan's Hokkaido University and Tokyo Institute of Technology, and another including researchers at Okayama University -- published two studies dated Friday.

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