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The first image (silhouette or shadow) of a black hole, taken of the supermassive black hole in M87 with the Event Horizon Telescope, released in April 2019. The black hole information paradox [1] is a paradox that appears when the predictions of quantum mechanics and general relativity are combined.
The question whether information is truly lost in black holes (the black hole information paradox) has divided the theoretical physics community. In quantum mechanics, loss of information corresponds to the violation of a property called unitarity , and it has been argued that loss of unitarity would also imply violation of conservation of ...
The Thorne–Hawking–Preskill bet was a public bet on the outcome of the black hole information paradox made in 1997 by physics theorists Kip Thorne and Stephen Hawking on the one side, and John Preskill on the other, according to the document they signed 6 February 1997, [1] as shown in Hawking's 2001 book The Universe in a Nutshell.
Black holes can 'cook' their own meals, study finds. The data in the images tell a story about how giant black holes consume gas. By unleashing powerful jets, or outbursts, the black holes ...
Thus, information is never lost. This has implications in the black hole information paradox and in fact any process that tends to lose information completely. The no-hiding theorem is robust to imperfection in the physical process that seemingly destroys the original information. This was proved by Samuel L. Braunstein and Arun K. Pati in 2007.
In 2020, studies suggested that the extreme variability could be linked to magnetic field instabilities around the black hole. The event challenged models of black hole accretion and inspired new theories about AGN outbursts. [17] In 2023-24 very-long-baseline interferometry observed plasma jets forming near the black hole. [18]
Black hole information paradox – results from the combination of quantum mechanics and general relativity. Cosmic censorship hypothesis – two mathematical conjectures about the structure of singularities arising in general relativity.
This theory could explain the mysterious disappearance of information about matter and energy inside a black hole, but it the concept has its flaws. Skip to main content. 24/7 Help. For premium ...