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A 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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A black hole is a region of space-time from which nothing,...
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Black hole is a former featured article.Please see the links...
- List of Black Holes
List of black holes. This list of black holes (and stars...
- Supermassive Black Hole
Black holes are a class of astronomical objects that have...
- Spacetime
In physics, spacetime is a mathematical model that fuses the...
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- Event Horizon
The reachable Universe as a function of time and distance,...
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Messier 87 (also known as Virgo A or NGC 4486, generally...
- Cygnus X-1
Cygnus X-1 (abbreviated Cyg X-1) is a galactic X-ray source...
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Sep 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.
4 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.
May 6, 2022 · Black holes are real, they're some of the strangest objects in space. Discover what black holes are and how they form with our informative black hole guide.
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