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Astronomers captured the most detailed image of the supermassive black hole that sites in the center of our Milky Way, revealing stunning orange swirls around the edge of Sagittarius A*.

Share General relativity makes very specific predictions about what black holes are and how they should appear, as shown in this simulation. GODDARD SPACE FLIGHT CENTER/JEREMY SCHNITTMAN After decades of effort, scientists are finally seeing black holes—or are they? Jan. 7, 2021 , 1:45 PM While working on his doctorate in theoretical physics in the early 1970s, Saul Teukolsky solved a problem that seemed purely hypothetical. Imagine a black hole, the ghostly knot of gravity that forms...