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Is a black hole a star?

October 18, 2021
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Is a black hole a star?
Is a black hole a star?

How does a black hole become a star?

Primordial black holes are thought to have formed in the early universe, soon after the big bang. Stellar black holes form when the center of a very massive star collapses in upon itself. This collapse also causes a supernova, or an exploding star, that blasts part of the star into space.

What is difference between star and black hole?

Black holes are astronomical objects that have such strong gravity, not even light can escape. Neutron stars are dead stars that are incredibly dense.

Can a black hole form without a star?

Within a few hundred million years, that starless gas cloud could accrete so much matter that it simply collapses under its own weight, forming a black hole without ever producing a star, Basu found.

What is at the end of a 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.

Are we inside a black hole?

5:3913:01Could The Universe Be Inside A Black Hole? – YouTubeYouTube

What is inside a 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.

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.

What happens if you nuke a black hole?

6:009:19What If We Nuked A Black Hole? – YouTubeYouTube

Can you 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.

Do you age in a black hole?

Nope. You can still expect a normal human lifespan as measured by your own watch and calendar. Sure, billions of years would pass on the Earth in the meantime, but you will not experience billions of years.

What kills a black hole?

The only thing that can hasten a black hole's demise is a cable made of cosmic strings, a hypothetical material predicted by string theory. But there is reason to take heart. Finding out black holes are nearly invincible could lead to better understanding of how physical laws work in the universe's most extreme …

What can stop a black hole?

Nothing, not even light itself can escape a black hole. That includes all your magnificent explosion energy from your antimatter impact. You wouldn't even see it happen. You'd just end up with a black hole with twice the mass.

Do black hole last forever?

Since nothing can escape from the gravitational force of a black hole, it was long thought that black holes are impossible to destroy. But we now know that black holes actually evaporate, slowly returning their energy to the Universe.

Can anything destroy a black hole?

Since nothing can escape from the gravitational force of a black hole, it was long thought that black holes are impossible to destroy. But we now know that black holes actually evaporate, slowly returning their energy to the Universe.

Does time Freeze in a black hole?

Near a black hole, the slowing of time is extreme. From the viewpoint of an observer outside the black hole, time stops. For example, an object falling into the hole would appear frozen in time at the edge of the hole.

How many years are left in the universe?

Eventually, 100 trillion years from now, all star formation will cease, ending the Stelliferous Era that's be running since not long after our universe first formed. Much later, in the so-called Degenerate Era, galaxies will be gone, too. Stellar remnants will fall apart.

Can anything stop a black hole?

Nothing, not even light itself can escape a black hole. That includes all your magnificent explosion energy from your antimatter impact. You wouldn't even see it happen. You'd just end up with a black hole with twice the mass.

Can you nuke a black hole?

For a black hole, any matter entering the event horizon is added to the mass. Shoot bullets at a black hole, and you just make a slightly more massive, slightly more dangerous black hole. Detonate a nuclear bomb inside the event horizon, and you only make the black hole more massive.

Are we living inside a black hole?

5:439:34Are we Living in a Black Hole? – YouTubeYouTube

Would we age in a black hole?

Nope. You can still expect a normal human lifespan as measured by your own watch and calendar. Sure, billions of years would pass on the Earth in the meantime, but you will not experience billions of years.

What is the oldest thing in the universe?

Astronomers have confirmed the discovery of one the oldest and most distant objects ever known in the universe — a star-forming galaxy 12.8 billion light-years away that started forming within a billion years of the Big Bang that kickstarted everything.

What is beyond our universe?

The trite answer is that both space and time were created at the big bang about 14 billion years ago, so there is nothing beyond the universe. However, much of the universe exists beyond the observable universe, which is maybe about 90 billion light years across.

Are there any bodies in space?

Their return capsule suffered an accidental decompression. However, their bodies were returned to Earth since the capsule was fully automated. So there are currently no bodies in space.

What happens to a corpse in space?

Halting decomposition Well, the different gravity seen on other planets will certainly impact the livor mortis stage, and the lack of gravity while floating in space would mean that blood would not pool. Inside a spacesuit, rigor mortis would still occur since it is the result of the cessation of bodily functions.

How can I destroy a black hole?

No, we cannot destroy a black hole. Insofar as we know, the only way to destroy a black hole would be by dropping stuff into it that has negative energy density, and to the best of our knowledge, such stuff cannot possibly exist in this universe.

Do you age in a coma?

the cellular mechanism for ageing has been associated with progressive shortening of telomere length on the ends of each chromosome with each cell cycle.. in the contect of this, a coma wouldnt necessarily keep you young, but you would age just the same.

Who is the oldest person alive?

Juan Vicente Pérez, from Venezuela, has been officially confirmed as the oldest person living (male) at 112 years and 253 days, as of 4 February 2022. Today he is 112 years 11 months and 21 days old, with his 113th birthday fast approaching.

What is the speed of dark?

Darkness travels at the speed of light. More accurately, darkness does not exist by itself as a unique physical entity, but is simply the absence of light.

What year will the universe end?

22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if the Higgs field is metastable.

Will space end?

No, they don't believe there's an end to space. However, we can only see a certain volume of all that's out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn't had time to reach us yet, so we have no way of knowing such a galaxy exists.

Is space completely silent?

Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound.


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