how is a black hole created
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- How is a black hole created? A common type of black hole is produced by certain dying stars. A star with a mass greater than about 20 times the mass of our Sun may produce a black hole at the end of its life. In the normal life of a star there is a constant tug of war between gravity pulling in and pressure pushing out.
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'Black holes' created in a LAB confirm Stephen Hawking's radiation theory - and they could win the physicist the Nobel Prize If the particles are created just outside the event horizon of a black hole, then it is possible that the positive member of the pair may escape - observed as thermal radiation emitting from the black hole - while the negative particle may fall back into the black hole, and in this way the black hole would gradually lose mass.
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What is a Black Hole What is a Black Hole A black hole is a point in space with so much gravity that not even light (the fastest thing around) can escape, hence the name. To an observer it would just appear as a sphere of…
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What is a Black Hole So for example if you wanted to turn the earth into a black hole you would have to compress it all down to about the size of a large mosquito, and if you wanted to turn your car into a black hole you would have to squash it down to the size of a neutrino, which is pretty small (about 1×10-24 m wide).
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- Most material drawn toward a black hole doesn't dive directly in but forms a swirling disk, called an accretion disk, around the hole. A new spin: X-rays shed light on black holes The same cannot be said, however, of the threat posed by the federal government's accretion of power to detain citizens on a whim.
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Black Holes: Facts, Theory & Definition Black holes are some of the strangest and most fascinating objects found in outer space. They are objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough.
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Black Holes: Facts, Theory & Definition Black holes have three layers — the outer and inner event horizon and the singularity. The event horizon of a black hole is the boundary around the mouth of the black hole where light loses its ability to escape.Once a particle crosses the event horizon, it cannot leave.ravity is constant across the event horizon. The inner region of a black hole, where its mass lies, is known as its singularity, the single point in space-time where the mass of the black hole is concentrated. Under the classical mechanics of physics, nothing can escape from a black hole.
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- What are black holes? Have you ever had to vacuum your bedroom? When you do, watch closely because you will see the dirt and crumbs start to move towards the vacuum cleaner. A black hole is similar to a vacuum cleaner, cleaning up debris left behind in outer space. However, it is not suction power that makes things fall into a black hole. Suction would not be strong enough.
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Astronomers Find Mass Limit for Neutron Stars Before Collapsing Into Black Holes From there, one of two known things Can happen: it either becomes a black hole, which has so much gravity not even light can escape, or a neutron star, which is a city-sized corpse of a formerly large star that’s made out of incredibly dense neutron matter.
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Black hole Spacetime around a massive object (such as a galaxy cluster or a black hole) is curved, and as a result light rays from a background source (such as a galaxy) propagating through spacetime are bent.
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Muscles of the Hand Muscles acting on the hand can be divided into two groups; extrinsic and intrinsic muscles. 1  The extrinsic muscles are located in the anterior and posterior compartments of the forearm.2  They control crude movements, and produce a forceful grip.3  The intrinsic muscles of the hand are located within the hand itself.uscles acting on the hand can be divided into two groups; extrinsic and intrinsic muscles. 1  The extrinsic muscles are located in the anterior and posterior compartments of the forearm. 2  The intrinsic muscles of the hand are located within the hand itself.
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What is inside of a black hole? As the gas gets closer to the black hole, it heats up from the friction of ever faster moving gas molecules. just outside the black hole's event horizon, the gas heats to temperatures in the range of millions of degrees.
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Black Hole Terms A region of space containing a huge amount of mass compacted into an extremely small volume. A black hole's gravitational influence is so strong that nothing, not even light, can escape its grasp. Swirling disks of material — called accretion disks — may surround black holes, and jets of matter may arise from their vicinity.
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- Anything that enters the event horizon cannot escape the black hole's gravity. So objects that do not keep a safe distance get swallowed. Despite their reputation, black holes will not actually suck in objects from large distances. A black hole can only capture objects that come very close to it.They're more like Venus' Flytraps than cosmic vacuum cleaners. For example, imagine replacing the Sun by a black hole of the same mass.lack Holes: Gravity's Relentless Pull. JavaScript must be installed and turned on in your browser to view content on most pages of this site, including Journey to a Black hole. If you experience other problems, verify that your setup matches the Technical Requirements for this site.
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10 mind-blowing facts about black holes 10 mind-blowing facts about black holes. Black holes are the only objects in the universe that can trap light by sheer gravitational force. Scientists believe they are formed when the corpse of a massive star collapses in on itself, becoming so dense that it warps the fabric of space and time.
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- You are right, there is something eerie and frightening about the Glory Hole. But, I would still like to know how it was built. Ladies and Gentlemen, here is an earth bound, man-made black hole. A true black hole.
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A Much Easier to Use ListView There are a couple of tricks. Stellar black holes are often part of a binary star system, two stars revolving around each other. What we see from Earth is a visible star orbiting around what appears to be nothing. In reality, it is orbiting around the black hole.
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- Once traversed, the black holes remain linked to each other. Many times, a wormhole can be used to reach the center of the galaxy with much more ease. Make sure to colonize star systems around them, because then you may spread further across the galaxy, reaching more resources. Entering a wormhole.
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- Simply put, a black hole is a region of space that is so incredibly dense that not even light can escape from the surface. However, it is this fact that often leads to miss-understanding. Black holes, strictly speaking, don't have any greater gravitational reach than any other star of the same mass.
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BI Answers: What Happens When You Enter A Black Hole? Like planets and stars, there are both big and small black holes. You will die regardless of what size of black hole you enter. But the time it takes you to die upon approach and what you see beforehand strongly depends on your black hole of choice. Let's first look at the closest black hole to Earth, called V4641 Sgr for the star that orbits it.
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- A black hole can be formed in many ways (throw in books, computers, etc.). After it settles down, spacetime outside is described by only M, J. The radiation it emits is essentially thermal. It can’t depend on the information inside without violating causality or locality. When the black hole evaporates, M and J are
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How are black holes discovered?  (Intermediate) Finally, astronomers used the binary star system to determine the mass of the compact object and found that it was greater than the critical mass, so that it was most likely a black hole. That is about the discovery of the first black hole in our universe.
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paroxysmal This paroxysmal event should also give rise to a black hole surrounded by a torus of matter at nuclear densities, possibly producing relativistic jets that are less energetic and shorter lived than those of collapsars and originating short GRBs.” (A report from the dream-land: a bundle of unfounded conjectures).
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10 mind-blowing facts about black holes Some think that black holes are like cosmic vacuums that suck in the space around them when, in fact, black holes are like any other object in space, albeit with a very strong gravitational field. If you replaced the sun with a black hole of equal mass, the Earth would not get sucked in — it would continue orbiting the black hole as it orbits the sun, today.
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Supermassive black hole A supermassive black hole (SMBH) is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses (M☉), and is found in the centre of almost all currently known massive galaxies. In the case of the Milky Way, the SMBH corresponds with the location of Sagittarius A*.
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JUST THE FACTS The Schwarzschild Radius, the maximum radius a body with a specific mass can have that won't let light escape, is named in his honor, and the equation of which is still in use today: Rs=2MG/(c^2) In truth, English geologist John Michell was the first to suggest the existence of black holes.