原文开头
We performed a deep search for cs1 in 2023 using HST’s Space Telescope Imaging Spectrograph (STIS) (11) in coronagraphic imaging mode at four orientation angles (table S1). We used an occulting wedge and angu- lar differential imaging to subtract the light from the star (12), producing an image of the debris disk (Fig. 1B). Four independent data reduction methods were used, with consistent results (12). ASTEROIDS A second planetesimal collision in the Fomalhaut system Paul Kalas1,2,3*, Jason J. Wang4,5, Maxwell A. Millar- Blanchaer6, Bin B. Ren7,8,9*, Mark C. Wyatt10, Grant M. Kennedy11,12, Maximilian Sommer10, Thomas M. Esposito1,2, Robert J. …
摘自《科学》(Science)第391卷 第6783期 · 2026年1月22日。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。