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美国太空总署(NASA)一名17岁实习生一鸣惊人，上班仅3天就发现了一颗行星，完全颠覆了实习工作枯燥乏味的印象。

纽约高中生克基埃尔去年暑假趁升大学前在太空总署的戈达德太空科学研究所实习。他于上班第3日，检视由义工利用“凌日系外行星勘探卫星(TESS)”照片收集得来的“食双星”数据时，发现一个双星系统“TOI 1338”的讯号。

他说︰“我以为那是星食(stellar eclipse)现象，但时机不吻合。原来那是颗行星。”

克基埃尔发现的该颗行星是首颗被TESS发现的环联星运转行星(circumbinary planet)。它离地球约1300光年远，大小是地球的6.9倍，是一颗同时围绕2颗恒星运转的行星。

虽然克基埃尔是发现者，但行星并非以他命名，而是依照TESS的编号系统，获命名为“TOI 1338b”。

美国太空总署周五指出，依靠电脑演算法难以发现类似行星，故肉眼检视相当重要。

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