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Black hole - Wikipedia
https://en.m.wikipedia.org/wiki/Black_hole
WebA black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
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What Are Black Holes? - NASA
https://www.nasa.gov/universe/what-are-black-holes/
WebSep 8, 2020 · A black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. A black hole’s “surface,” called its event horizon, defines the boundary where the velocity needed to escape exceeds the speed of light, which is the speed limit of the cosmos.
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Black hole | Definition, Formation, Types, Pictures, & Facts
https://www.britannica.com/science/black-hole
Web3 days ago · Black hole, cosmic body of extremely intense gravity from which nothing, not even light, can escape. It can be formed by the death of a massive star wherein its core gravitationally collapses inward upon itself, compressing to a point of zero volume and infinite density called the singularity.
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Black holes: Everything you need to know | Space
https://www.space.com/15421-black-holes-facts-formation-discovery-sdcmp.html
WebMay 6, 2022 · Black holes are some of the strangest and most fascinating objects in space. They're extremely dense, with such strong gravitational attraction that not even light can escape their grasp. The...
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What Is a Black Hole? - National Geographic
https://www.nationalgeographic.com/science/article/black-holes
WebThere are four types of black holes: stellar, intermediate, supermassive, and miniature. The most commonly known way a black hole forms is by stellar death. As stars reach the ends of their...
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Black Holes - Science@NASA
https://science.nasa.gov/universe/black-holes/
WebBlack holes are among the most mysterious cosmic objects, much studied but not fully understood. These objects aren’t really holes. They’re huge concentrations of matter packed into very tiny spaces. A black hole is so dense that gravity just beneath its surface, the event horizon, is strong enough that nothing – not even light – can ...
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10 Questions You Might Have About Black Holes - Science@NASA
https://science.nasa.gov/universe/10-questions-you-might-have-about-black-holes/
WebSep 23, 2019 · A black hole is an extremely dense object in space from which no light can escape. While black holes are mysterious and exotic, they are also a key consequence of how gravity works: When a lot of mass gets compressed into a small enough space, the resulting object rips the very fabric of space and time, becoming what is called a singularity.
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What Is a Black Hole? | NASA Space Place – NASA Science for …
https://spaceplace.nasa.gov/black-holes/en/
Web3 days ago · A black hole is an area of such immense gravity that nothing—not even light—can escape from it. Black holes form at the end of some stars’ lives. The energy that held the star together disappears and it collapses in on itself producing a magnificent explosion. Here’s where things get crazy.
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First-ever picture of a black hole unveiled - National Geographic
https://www.nationalgeographic.com/science/article/first-picture-black-hole-revealed-m87-event-horizon-telescope-astrophysics
WebApr 10, 2019 · Today, scientists unveiled an image of that object, a supermassive black hole containing the same mass as 6.5 billion suns. Resembling a circular void surrounded by a lopsided ring of light, this...
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Black hole - Simple English Wikipedia, the free encyclopedia
https://simple.m.wikipedia.org/wiki/Black_hole
WebA black hole is a region of space-time from which nothing, not even light, can escape. According to the general theory of relativity, [3] it starts existing when spacetime gets curved by a huge mass. There is a sphere around the black hole. If something goes inside the sphere, it cannot leave. This sphere is called the event horizon.
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