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3 de mar. de 2023 · The event horizon is the spherical outer boundary of a black hole loosely considered to be its "surface." It is the point, according to NASA, that the gravitational influence of the black...
Learn about the boundary of a black hole where nothing can escape, not even light. Find out how supermassive black holes are powered by accretion of matter and observed by radio telescopes.
It is no longer possible for the particle to escape, no matter the direction the particle is traveling. One of the best-known examples of an event horizon derives from general relativity's description of a black hole, a celestial object so dense that no nearby matter or radiation can escape its gravitational field.
Learn about the structure and features of a black hole, such as the event horizon, the accretion disk, the corona, and the jets. Find out how gravity, light, and matter interact with a black hole and what makes it black.
8 de sept. de 2020 · Learn about the different types and origins of black holes, and how they are observed by telescopes and gravitational waves. See the first image of a black hole's event horizon, the boundary where nothing can escape.
10 de abr. de 2019 · The Event Horizon Telescope network has captured the ring-like structure of a supermassive black hole at the centre of galaxy M87. The image confirms the predictions of general relativity and reveals the deformation of space-time by gravity.
12 de may. de 2022 · The Event Horizon Telescope network has captured the second-ever direct image of a black hole, Sagittarius A*, at the centre of the Milky Way. The image shows a ring of radiation around a darker disk, confirming Einstein's theory of relativity and revealing the black hole's rotation and variability.
