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Because black holes cannot emit light, the evidence for them is indirect, in the form of certain x-ray sources, the relativistic jets of quasars or galactic nuclei, gravitational lensing, and the orbital motions of stars near them. For example, observation of motions of stars near the nucleus of the milky way indicate an object of a certain mass with a size limited by the orbit of the closest star to it; calculations indicate nothing short of the density of a black hole could occupy its position.

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How can scientists determine the mass of a black hole?

Scientists can determine the mass of a black hole through various methods, including observing the orbits of objects around the black hole, analyzing the gravitational lensing effects of the black hole on light, and studying the X-ray emissions from material falling into the black hole. These observations help scientists calculate the mass of the black hole based on the influence it has on its surroundings.


What will happen in TIME if you stay too long beside a black hole?

Scientists cannot be certain, as we have yet to experiment with a black hole, but they theorize that time would slow down relative to time far from the black hole.


Could your universe become a black hole?

No, in our universe, virtual assistants exist in the digital realm and do not have physical mass that could collapse to form a black hole. The concept of a virtual assistant turning into a black hole does not apply in our context.


Did scientist send unmanned spaceships into a black hole to gather information?

No, scientists have not sent unmanned spaceships into a black hole to gather information. Black holes are extremely dangerous environments due to their immense gravitational pull, making it currently impossible to retrieve information from inside a black hole using spacecraft. Scientists study black holes indirectly by observing their effects on surrounding matter and light.


Which telescope has discovered a remnant of a black hole at the center of the Milky Way Galaxy?

It's not a "remnant" of a black hole; there is a black hole at the center of the Milky Way, period. And as far as I know it wasn't discovered by any single telescope; rather, it has been observed over several years, with different instruments, and scientists have come to the conclusion (based on such observations) that the only explanation for what they observed is a black hole.

Related Questions

What happens if a black hole is sucked into a black hole?

Its called a Super Black-hole and scientists believe it is what holds all galaxies together.


When scientists sent up rubbish into a black hole did it close it?

No rubbish has been sent into a black hole.


Why can't scientists prove what there is inside a black hole?

If you go into a black hole you will be stretch out into two and then you will be crushed.


How can scientists determine the mass of a black hole?

Scientists can determine the mass of a black hole through various methods, including observing the orbits of objects around the black hole, analyzing the gravitational lensing effects of the black hole on light, and studying the X-ray emissions from material falling into the black hole. These observations help scientists calculate the mass of the black hole based on the influence it has on its surroundings.


Are scientists trying to produce black hole?

No - at least not intentionally.


Is an Intermediate-mass black hole a type of black hole?

Yes. Intermediate-mass blackhole is a medium size black hole. Scientists have found stellar black holes and supermassive black holes but there is no prove that Intermediate-mass black type of black holes exist. My opinion is that they do exist because when a black hole is becoming a black hole supermassiveblack hole it will need to go though this stage of intermediate-mass black hole.


First black hole?

scientists think that the Big Bang which generated the univerese waas the consequence of the explosion of a massive black hole. so the big bang


What will happen in TIME if you stay too long beside a black hole?

Scientists cannot be certain, as we have yet to experiment with a black hole, but they theorize that time would slow down relative to time far from the black hole.


Can a black hole be used to goto a different universe?

Scientists aren't even sureother universes exist. The possibility a black hole could even lead somewhere else is practically impossible. Whatever enters a black hole is virtually destroyed in a flash of raw energy. That's why scientists think that 99.999999999999% of the universe's antimatter is in black holes.


Is it true that scientists believe that there is a black hole in space?

Black holes do exist - they are just VERY difficult to detect.


How do scientists get close enough to research a black hole?

Since the nearest black hole is many light years away from Earth, it's impossible for a scientist to physically travel to a black hole to study it. Instead, they have to make do with observing the effects of black holes from Earth.


Is there any black holes on Neptune there is rumor that there is mysterious hole on neotune but no one has gone into it but scientists can see tracks going into it but not coming out.?

No. If Neptune were to encounter a black hole, it would be destroyed.