Einstein's description of gravity just got much harder to beatAstrophysicists put general relativity to a new test with black hole images.
Source: Einstein's description of gravity just got much harder to beat (https://www.sciencedaily.com/releases/2020/10/201001113616.htm)
Astrophysics News found at -- ScienceDaily (https://www.sciencedaily.com/news/space_time/astrophysics/)