Can a black hole eat a galaxy?

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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Will black holes eat the universe?

No. There is no way a black hole would eat an entire galaxy. The gravitational reach of supermassive black holes contained in the middle of galaxies is large, but not nearly large enough for eating the whole galaxy.
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Can a black hole swallow a solar system?

M87's black hole has an event horizon about four times as large as Neptune's orbit. Hence the idea that it could swallow our solar system whole. Gebhardt told ScienceNOW that studying extreme black holes like the one in M87 gives astronomers their best chance of learning more about black hole physics in general.
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Can a black hole eat a planet?

Planets would be slung away into space by gravitational forces, or they would be ripped apart by the strong tidal forces of the black hole. But thankfully, the chances of this happening are very slim.
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How Black Holes Kill Galaxies



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 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 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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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 if Earth got stuck in a black hole?

The strong uneven gravitational pull on the Earth would continuously deform the planet. This would generate a tremendous amount of internal friction, heating the Earth's core to disastrous levels. It would likely give rise to Earth-shattering earthquakes, volcanoes, and deadly tsunamis. The trifecta of doom.
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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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Do white holes exist?

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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Will the universe last forever?

Most observations suggest that the expansion of the universe will continue forever. The prevailing theory is that the universe will cool as it expands, eventually becoming too cold to sustain life. For this reason, this future scenario once popularly called "Heat Death" is now known as the "Big Chill" or "Big Freeze".
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What can 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 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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What can destroy a black hole?

Black holes are among the most destructive objects in the universe. Anything that gets too close to a black hole, be it an asteroid, planet, or star, risks being torn apart by its extreme gravitational field. By some accounts, the universe may eventually consist entirely of black holes.
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What if the Sun exploded?

For Earth to be completely safe from a supernova, we'd need to be at least 50 to 100 light-years away! But the good news is that, if the Sun were to explode tomorrow, the resulting shockwave wouldn't be strong enough to destroy the whole Earth. Only the side facing the Sun would boil away instantly.
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Is the Sun black?

As with all matter, the sun emits a “black body spectrum” that is defined by its surface temperature. A black body spectrum is the continuum of radiation at many different wavelengths that is emitted by any body with a temperature above absolute zero.
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Is time Travelling possible?

Yes, time travel is indeed a real thing. But it's not quite what you've probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second. And there are important reasons why we need to understand this real-world form of time travel.
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What creates a white hole?

White holes are created when astrophysicists mathematically explore the environment around black holes, but pretend there's no mass within the event horizon. What happens when you have a black hole singularity with no mass? White holes are completely theoretical mathematical concepts.
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What did Einstein say about wormholes?

Einstein's theory of general relativity mathematically predicts the existence of wormholes, but none have been discovered to date. A negative mass wormhole might be spotted by the way its gravity affects light that passes by.
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What is opposite of black hole?

White holes, which are theoretically the exact opposites of black holes, could constitute a major portion of the mysterious dark matter that's thought to make up most of the matter in the universe, a new study finds. And some of these bizarre white holes may even predate the Big Bang, the researchers said.
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Can black holes be portals?

According to a study published in Monthly Notices of the Royal Astronomical Society, a team of researchers seeking to prove the existence of wormholes say they may have found evidence that some known black holes in the universe are entrances to portals that could allow travelers to venture through space-time.
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How does time stop in a black hole?

No force in the universe can stop this fall, any more than we can stop the flow of time. At the very center of the black hole is where our understanding breaks down. Einstein's theory of gravity seems to predict that time itself is destroyed at the center of the hole: time comes to an abrupt end there.
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