龙宫母体晚期盐水相关的含铵粘土与多种氮物种

对小行星龙宫样本的分析揭示了与钠盐相关的富铵粘土及其他氮化合物。这些发现表明，龙宫母体中的晚期盐水保存了活性氮，可能为前生物化学提供了支持。

Nature Astronomy, Published online: 27 August 2026; doi:10.1038/s41550-026-02962-y Analysis of asteroid Ryugu samples reveals ammonium-rich clays and other nitrogen compounds linked to sodium salts, suggesting late-stage brines in Ryugu’s progenitor preserved reactive nitrogen that could have supported prebiotic chemistry.