Samples from the asteroid Ryugu contained amino acids that are considered the precursors of life, supporting a theory that solar-system rocks crashing into Earth helped jump-start primordial life-forms
Amino acids are found in pebbles and dust from the asteroid Ryugu, which were brought back to Earth by a Japanese space probe
Japanese space probe Hayabusa2 dropped samples from the asteroid Ryugu to Earth in the Australian outback about a year and a half ago.TOKYO—Samples from the asteroid Ryugu contained amino acids that are considered the precursors of life,, supporting a theory that solar-system rocks crashing into Earth helped jump-start primordial life-forms.
The paper, published in the Proceedings of the Japan Academy, is among the first analyses of the asteroid dust and pebbles that were carried byand dropped off in the Australian outback in December 2020. Hayabusa2 collected 5.4 grams of material from Ryugu, equivalent to one-fifth of an ounce or the weight of around five raisins. They were the first significant-sized samples from an asteroid after an earlier Japanese probe collected tiny grains.
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