Can black holes eat galaxies?

A single Black Hole, even one at the center of our Milky Way galaxy, is just too small to eat an entire galaxy.
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Can a black hole destroy a galaxy?

Black holes are the most powerful destructive forces in the universe. They can rip apart a star and scatter its ashes out of the galaxy at nearly the speed of light.
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Can black holes eat anything?

The diet of known black holes consists mostly of gas and dust, which fill the otherwise empty space throughout the Universe. Black holes can also consume material torn from nearby stars. In fact, the most massive black holes can swallow stars whole.
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Will the Universe be consumed by black hole?

The overwhelming majority of the Universe will not be consumed by black holes, but rather flung into intergalactic space. Once there, they will wander the Universe as "runaway stars" (or stellar remnants) for as long as the Universe still exists.
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Can a black hole eat a black hole?

It is possible for two black holes to collide. Once they come so close that they cannot escape each other's gravity, they will merge to become one bigger black hole. Such an event would be extremely violent. Even when simulating this event on powerful computers, we cannot fully understand it.
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How Black Holes Kill Galaxies



Is there a white hole?

White holes cannot exist, since they violate the second law of thermodynamics. General Relativity is time symmetric. It does not know about the second law of thermodynamics, and it does not know about which way cause and effect go.
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What if a black hole ate a star?

The event wherein a black holes gobbles down a star is known as a "tidal disruption event", and this one is officially known as "J2150". When a star is being killed by a black hole, an intense amount of radiation is released.
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Can humans create a black hole?

To study the phenomenon more closely, physicists in Israel managed to create a lab-grown, analogue black hole using some thousand atoms. This faux black hole exhibited all properties of a black hole in the state in which it is believed to exist in space.
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What is eating our galaxy?

In other news, in a study from 2019, astronomers stated that the Milky Way may be eaten by its nearest neighbor, Andromeda. Though worry not, this wouldn't take place for another 4 billion years.
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What is a white black hole?

White holes are theoretical cosmic regions that function in the opposite way to black holes. Just as nothing can escape a black hole, nothing can enter a white hole. White holes were long thought to be a figment of general relativity born from the same equations as their collapsed star brethren, black holes.
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Can a black hole swallow Earth?

Will Earth be swallowed by a black hole? Absolutely not. While a black hole does have an immense gravitational field, they are only “dangerous” if you get very close to them.
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Can a wormhole exist?

In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world.
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What can escape a black hole?

Anything outside this surface —including astronauts, rockets, or light—can escape from the black hole. But once this surface is crossed, nothing can escape, regardless of its speed, because of the strong gravitational pull toward the center of the black hole.
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Can anything destroy a galaxy?

Black holes might kill entire galaxies with blazing energy,dooming embryonic stars before they can get born and condemning the remainingstars to a slow death, scientists have found.
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Can Earth become a black hole?

Despite their abundance, there is no reason to panic: black holes will not devour Earth nor the Universe. It is incredibly unlikely that Earth would ever fall into a black hole. This is because, at a distance, their gravitational pull is no more compelling than a star of the same mass.
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What are the chances of a black hole hitting Earth 2021?

In fact, if we're only considering a collision between a black hole and Earth, the odds are minuscule: about 1-in-40 billion over the history of the Earth, and about 1-in-1020 (or, written out, 1-in-100,000,000,000,000,000,000) with each passing year, or your odds of winning the lotto jackpot three times in a row.
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Can a black hole swallow the sun?

If a black hole under 100 million masses of our Sun entered our Solar System, it wouldn't swallow the Sun in one go. It would gradually start pulling matter from our star, until all that's left of it would be a cloud of gas. In that case, you might expect lethal amounts of cosmic radiation headed toward the Earth.
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What galaxy is 500 million light-years away?

The familiar-looking galaxy — designated TXS 0128+554 — lies around 500 million light-years away from the Earth, in the constellation of Cassiopeia. Analysis of the galaxy's radio wave emissions has revealed that TXS 0128+554 has undergone two bouts of activity in the last century, with a 40-year-gap in between.
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Can a black hole swallow a star?

In the standard TDE picture, the gravity of the black hole shreds an approaching star into strands like spaghetti. The black hole immediately swallows half the star's matter while the rest arcs away in long streamers.
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Does time stop in a black hole?

Time does stop at the event horizon of a black hole, but only as seen by someone outside the black hole. This is because any physical signal will get infinitely redshifted at the event horizon, thus never reaching the outside observer. Someone falling into a black hole, however, would not see time stop.
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What is beyond a black hole?

At the center of a black hole the gravity is so strong that, according to general relativity, space-time becomes so extremely curved that ultimately the curvature becomes infinite. This results in space-time having a jagged edge, beyond which physics no longer exists -- the singularity.
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What happens if a black hole eats a white hole?

This means that in a hypothetical universe where there is a black and a white hole, in a short time after their first interaction the white hole will become another black hole so that the system will end up with two black holes.
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Are there black holes in the ocean?

Black holes don't only exist in the cold distance of deep space, they also exist right here on Earth, swirling in the oceans.
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What is inside black hole?

The singularity at the center of a black hole is the ultimate no man's land: a place where matter is compressed down to an infinitely tiny point, and all conceptions of time and space completely break down. And it doesn't really exist.
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