0
hey...before knowing how a black hole forms.....u must know the life cycle of a star....when death of stars occurs then they become black hole.....their gravitational pull is really high....they cannot be seen....but scientists see them....as light passing through them cannot escape because of gravitational pull.....
Wiki User
∙ 14y ago
Wiki User
∙ 15y agoA black hole doesn't cause anything. It is a gravity trap - a place where gravity has gotten so strong nothing can escape (excluding Hawking radiation at the event horizon.) What happens is a star (or stars) is (are) so heavy after burning much of their hydrogen into helium that the star(s) start to collapse in on itself. If there is a certain amount of mass at a certain distance (critical mass) then even light can't escape the gravitational pull and now it is a black hole. Because energy can't just disappear and Hawking radiation exists, after enough time a black hole can expend itself - burned so much matter to energy that it 'dies' - that is it expends the last of it's energy in a humongous burst of radiation - an explosion of light if you will and all that's left are those echoes of it's death.
Wiki User
∙ 13y agoGravity. When a star of 3+ solar masses collapses in on itself, gravity continues to make its matter denser and denser.
Wiki User
∙ 14y agoa super nova explosion
Wiki User
∙ 10y agogravity
Add your answer:
Earn +20 pts
Black holes are thought to be vital in?
There can never be a galaxy without a black hole. The anti-matter is necessary to cause the matter to spiral. It creates a huge suction.
How did the black hole come in space?
a black hole is formed when a star dies (it explodes). sometimes it can also form a nebulae
What if a black hole forms by earth?
Black hole formation can not be surreptitiously initiated just anywhere in outer space. Theoretically black holes were formed upon the onset of the Big Bang or can form upon the gravitational collapse of a star of about 3-4 solar masses.
What triggers the formation of the ozone hole over Antarctica?
The PSC's trigger the formation of ozone hole. They are Polar Stratospheric Clouds.
Will a supernova cause a black whole?
Either a black hole, or a neutron star. That depends on how much mass is left after the supernova explosion.
How is the formation of a normal black hole different from the formation of a supper-massive black hole?
It is not yet known for sure how a supermassive black hole acquires the enormous mass it has. It is possible that it starts as a normal black hole, and then gets more mass. It is also possible that from the start, a much larger amount of mass than in a normal black hole collapses.
Black holes are thought to be vital in?
There can never be a galaxy without a black hole. The anti-matter is necessary to cause the matter to spiral. It creates a huge suction.
What is the cause of formation of ozone hole over Antarctica?
Ozone hole is formed over Antarctica. It is because of the low temperature there.
How did the black hole come in space?
a black hole is formed when a star dies (it explodes). sometimes it can also form a nebulae
What role does gravity play in the formation of black holes?
A black hole is what is left of an object that has completely collapsed under the force of gravity.
Does the hole in a black hole expand the older the black hole gets?
No. If no matter enters a black hole it will actually slowly lose mass and shrink via Hawking radiation. A black hole will gain mass if matter fals into, which will cause the event horizon to grow.
How heavy is the black hole at the center of your galaxy?
A black hole has a typical mass of around 4 times the mass of the sun at the time of formation. Mass has very little meaning for a blackhole otherwise.
Black hole formation?
a black hole froms when a massive star exhauists it's neclaer fule and goes through a supernova. The core collapese onto itself, until it reached critical mass.
What is the maximum altitude a black hole can be made at?
The question makes no sense. Altitude has nothing at all to do with black hole formation. "Altitude" really only has any significant meaning in terms of Earth and humans, and it is as far as we know absolutely impossible to "make" a black hole at any altitude.
Why the relationship between a quasar and a black hole e interest for astronomers?
For one, a black hole can hardly be observed directly (the Hawking radiation is expected to exist, but it would be way too weak). A quasar (related to material falling into the black hole) is one way the black hole can be observed.Also, the quasar can play quite an active role in the formation of a galaxy.
Why do stars turn into black hole?
'Cause once you go black, you never go back.
What positive influences did black holes do on science and society?
Please note that the closest known black hole is at a distance of 3000 light-years. Such a black hole cannot directly "have a positive influence". The supermassive black hole in the center of most galaxies is believed to have an important role in the galaxy formation - so it may have had an important influence in the remote past.
