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小惑星ベンヌの試料に尿素　北大が検出「生命の材料のもと」|47NEWS（よんななニュース）

https://www.47news.jp/14093897.html

April 3, 2026 at 05:17 PM JST•The archive page, viewer, and downloads use this saved version.

April 3, 2026 at 05:17 PM JST·www.47news.jp

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StartedApril 3, 2026 at 05:17 PM JST

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This page reports that Hokkaido University researchers detected urea in samples returned from asteroid Bennu by NASA's OSIRIS-REx spacecraft. Urea, an organic compound, serves as a precursor to nucleobases essential for genetic material, offering insights into the origin of life and cosmic chemistry. Analysis of approximately 0.6 grams of sample revealed high concentrations of urea and five types of nucleobases. Tohoku University researchers also discovered six types of sugars in the same samples. Bennu's samples preserve characteristics from the solar system's formation 4.6 billion years ago, providing crucial clues to understanding Earth's life origins.

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小惑星ベンヌの試料に尿素 北大が検出「生命の材料のもと」|47NEWS（よんななニュース）

小惑星ベンヌの試料に尿素　北大が検出「生命の材料のもと」|47NEWS（よんななニュース）