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北京大学物理学院天文学系东苏勃领衔的研究团队，利用10年一遇的天地同步观测契机，首次成功实现了对流浪行星候选体的直接质量测量，确证其为一颗质量与土星相当的行星。2026年1月1日，研究成果发表于《Science》。

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（图片来源：《中国科学报》）

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