有些彗星“赤身裸体”，而其中一颗刚刚被抓拍到“乱入”照片

日本研究人员在昴星团望远镜（Subaru Telescope）的存档图像中意外发现了彗星28P/Neujmin的踪迹。通过对这些图像的分析，研究人员得以精确表征该彗星的表面特征，从而进一步探索太阳系天体（solar system object）的形成与演化。

Japanese researchers got lucky when a comet they wanted to study was found photo-bombing archival images from Japan's Subaru Telescope. The Subaru, with its 8.2 meter mirror, happened to image comet 28P/Neujmin from just the right angle to accurately characterize its surface. Their work is part of the ongoing effort to understand comets and asteroids, why some of them share properties, and what that means for their formation and evolution as Solar System objects.