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A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of the region from which no escape is possible is called the event horizon.

The black hole information paradox is a puzzle resulting from the combination of quantum mechanics and general relativity.Calculations suggest that physical information could permanently disappear in a black hole, allowing many physical states to devolve into the same state. This is controversial because it violates a core precept of modern physics—that in principle the value of a wave ...

An artist’s impression of a supermassive black hole at the centre surrounded by matter flowing onto the black hole in what is termed an accretion disk.

Could the famed "Big Bang" theory need a revision? A group of theoretical physicists suppose the birth of the universe could have happened after a four-dimensional star collapsed into a black hole ...

Using the most powerful X-ray-generating machine on the planet, researchers have reproduced what happens to matter just before it is devoured by a black hole. Their findings show that a long ...

The simplest type of black hole, in which the core does not rotate and just has a singularity and an event horizon, is known as a Schwarzschild black hole after the German physicist Karl Schwarzschild who pioneered much of the very early theory behind black holes in the 1910s, along with Albert Einstein.In 1958, David Finkelstein published a paper, based on Einstein and Schwarzschild’s work ...

This artist's concept shows a galaxy with a supermassive black hole at its core. The black hole is shooting out jets of radio waves. Image credit: NASA/JPL-Caltech (Phys.org) —Physicists Rodolfo ...

Black holes may answer questions about the beginning and the future of the universe.

Black holes are some of the strangest and most mysterious objects in the universe. Billions of them may exist in the Milky Way alone. But what, exactly, is a black hole?

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Black Hole Theory >> Scientists Say Universe Is Part Of 4th Dimension Born From Black Hole

Black Hole Theory >> Scientists Say Universe Is Part Of 4th Dimension Born From Black Hole

Black Hole Theory >> Gravitational Waves Detection Proves Albert Einstein's Century-Old Theory | Technology News

Black Hole Theory >> Gravitational Waves Detection Proves Albert Einstein's Century-Old Theory | Technology News

Black Hole Theory >> Dark Energy NASA - Pics about space

Black Hole Theory >> Dark Energy NASA - Pics about space

Black Hole Theory >> Stephen Hawking: Black holes are a PORTAL to another universe | Science | News | Express.co.uk

Black Hole Theory >> Stephen Hawking: Black holes are a PORTAL to another universe | Science | News | Express.co.uk

Black Hole Theory >> Every Black Hole Contains Another Universe?

Black Hole Theory >> Every Black Hole Contains Another Universe?

Black Hole Theory >> Evaporation

Black Hole Theory >> Evaporation

Black Hole Theory >> Black Holes: Facts, Theory, and Definition - ppt video online download

Black Hole Theory >> Black Holes: Facts, Theory, and Definition - ppt video online download

Black Hole Theory >> Gravitational wave - Wikipedia

Black Hole Theory >> Gravitational wave - Wikipedia

Black Hole Theory >> Finding Ramanujan - Science Friday

Black Hole Theory >> Finding Ramanujan - Science Friday

Black Hole Theory >> Space Images | How to Measure the Spin of a Black Hole (Artist's Concept)

Black Hole Theory >> Space Images | How to Measure the Spin of a Black Hole (Artist's Concept)