搜索并列出与“黑洞”相关的科学文章。
黑洞
1. "Observational Evidence for Intermediate-Mass Black Holes in the Cosmos" by M. Kormendy and K. Gebhardt (2019)
2. "The Event Horizon Telescope Collaboration. First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole" by K. Akiyama et al. (2019) 
3. "Gravitational Waves from Merging Black Holes: Theoretical Foundations and Significance for Astronomy" by B. P. Abbott et al. (2016) 
4. "The Black Hole at the Center of the Milky Way" by A. M. Ghez et al. (2008) 
5. "Black Holes, White Dwarfs, and Neutron Stars: The Physics of Compact Objects" by S. L. Shapiro and S. A. Teukolsky (1983)