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Showing posts with label Astrophysics. Show all posts
Showing posts with label Astrophysics. Show all posts
Quantum Black Holes
The challenge of uniting quantum theory and general relativity in a successful theory of quantum gravity has arguably been the greatest challenge facing th…
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Naked Singularities and the Cosmic Censorship Hypothesis
While spacetime singularities in general are frequently viewed with suspicion, physicists often offer the reassurance that we expect most of them to be h…
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Black Holes
The simplest picture of a black hole is that of a body whose gravity is so strong that nothing, not even light, can escape from it. Bodies of this type are…
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The Significance of Singularities
When considering the implications of spacetime singularities, it is important to note that we have good reasons to believe that the spacetime of our univer…
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Space-time Singularities
General relativity, Einstein's theory of space, time, and gravity, allows for the existence of singularities. On this nearly all agree. However, when i…
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Gravitational Lensing by Spinning Black Holes
It showed portions of the accretion disk swinging up over the top and down under Gargantua's shadow, and also in front of the shadow's equator, p…
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