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Katherine Louise Bouman (/ ˈ b aʊ m ə n /; [1] born 1989) is an American engineer and computer scientist working in the field of computational imaging.She led the development of an algorithm for imaging black holes, known as Continuous High-resolution Image Reconstruction using Patch priors (CHIRP), and was a member of the Event Horizon Telescope team that captured the first image of a ...
In 1958, David Finkelstein used general relativity to introduce a stricter definition of a local black hole event horizon as a boundary beyond which events of any kind cannot affect an outside observer, leading to information and firewall paradoxes, encouraging the re-examination of the concept of local event horizons and the notion of black ...
A black hole with the mass of a car would have a diameter of about 10 −24 m and take a nanosecond to evaporate, during which time it would briefly have a luminosity of more than 200 times that of the Sun. Lower-mass black holes are expected to evaporate even faster; for example, a black hole of mass 1 TeV/c 2 would take less than 10 −88 ...
A rotating black hole is a black hole that possesses angular momentum. In particular, it rotates about one of its axes of symmetry. All celestial objects – planets, stars , galaxies, black holes – spin. [1] [2] [3] The boundaries of a Kerr black hole relevant to astrophysics. Note that there are no physical "surfaces" as such.
In 2020, Haco was heavily featured in the Netflix documentary Black Holes: The Edge of All We Know, which chronicled the use of the Event Horizon Telescope to take the first photograph of a black hole, as well as the work of Haco, Hawking, Perry and Strominger as they attempted to better understand the black hole information paradox. [3] [4]
The inner event horizon of the Kerr geometry is probably not stable, due to the infinite blue-shifting of infalling radiation. [4] This observation was supported by the investigation of charged black holes which exhibited similar "infinite blueshifting" behavior. [5] While much work has been done, the realistic gravitational collapse of objects ...
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The event horizons bounding the black hole and white hole interior regions are also a pair of straight lines at 45 degrees, reflecting the fact that a light ray emitted at the horizon in a radial direction (aimed outward in the case of the black hole, inward in the case of the white hole) would remain on the horizon forever. Thus the two black ...