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Particles falling into a black hole release a large amount of x-rays as they do so. This is not energy from the black hole itself, but energy release that is a sign of a black hole.

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13y ago

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Where did a black hole come from?

Most black holes form when massive stars exhaust their fuel and their cores collapse. There are also supermassive black holes at the centers of most galaxies. Scientists are not sure how supermassive black holes form.


Can black holes appear out of no where?

no because black holes can only form through supernovas.


What is the most common form of black holes in the universe?

Probably stellar mass black holes


Why black holes form Gamma ray burst?

The black holes from Gamma ray usually burst because of their energetic form.


What do black holes form?

Black holes are sort of the final stage of stellar evolution; they don't form much else. Two black holes may merge to form a larger one, and after a very, very long time, they will evaporate.


Do black holes come near each other?

We aren't certain, because 99.9% of what we THINK we know about black holes is theoretical. But the theory says that if two black holes do come too close to each other, they will merge to form one larger one. However, if the geometry of their approach is right, it might be possible for them to orbit each other.


When do black holes appear mostly?

Most black holes are believed to form when very massive stars die.


Is there a certain time of year black holes form?

Black holes are outside the confines of both the Earth and the Solar System, the passing of our year does not affect when they form.


What if 5 black holes meet?

If five black holes came together they would merge to form a single black hole with a mass equal to the sum of the masses of the five original black holes.


Do stars ever into black holes?

Yes. When the most massive stars die, their cores collapse to form black holes.


How do black holes form and why are black holes hot?

Black holes form when massive stars collapse under their own gravity. The intense gravitational pull of a black hole traps everything, including light. Black holes are hot because of the high temperatures and energy generated by the matter falling into them, which creates intense radiation and heat.


Where do black holes form?

Mostly the center of the galaxy.