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2006-07-12 22:50:41 · 5 answers · asked by sam 1 in Science & Mathematics Other - Science

5 answers

A black hole is a concentration of mass, the gravitational field of which is so strong that its escape velocity exceeds the speed of light. The point in space at which this occurs is known as the event horizon. This implies that nothing, including light, can escape from within the event horizon, since there is no known method to exceed light-speed.

The existence of black holes in the universe is well supported by astronomical observation, particularly from studying X-ray emission from X-ray binaries and active galactic nuclei.
http://en.wikipedia.org/wiki/Black_holes
Check this to know all about it.
Good luck.

2006-07-12 22:53:15 · answer #1 · answered by Eternity 6 · 0 0

Black holes are gravity wells shaped even as tremendous vast begins die. Stars convert Hydrogen to Helium, and proceed up the atomic chart as they exhaust their popular gasoline. when they attain Iron, the acceptance can not make the necessary potential bounce to create the subsequent element. each and each and every time it will develop potential to fuse heavier aspects, it produces extra warmth and expands. even as the boom can no longer be maintained, the acceptance collapses lower than that's personal gravity and is going Nova or tremendous Nova. The potential released right that's sufficient to fuse heavier aspects than Iron. It also pushes with such stress that both a nuetron superstar is shaped, or, if the acceptance is purely vast, a black hollow. A black hollow has an limitless gravity field because the remember is compressed into an section smaller than ought to correctly be comprehended by employing classic technological know-how. the shape Horizon of a Black hollow is a level at which even mild can not spoil out. area time there is so warped that the course mild takes, even as nevertheless immediately, is so curved by employing gravitational consequences, that it can not leave

2016-11-06 07:34:08 · answer #2 · answered by tito 4 · 0 0

Basically a large star that went supernova and collapsed into itself, becoming so dense, that not even light can escape its gravitational field.

2006-07-13 00:21:31 · answer #3 · answered by Jake 2 · 0 0

The black hole is just as Eternity said (interesting name for that particular question), but it is also:

A) What a really bad crack ***** is

and B) where most of us Yahooers are.

2006-07-12 22:55:21 · answer #4 · answered by Anonymous · 0 0

BLACK-HOLES .... WHAT WE KNOW ABOUT IT , IS JUST LIKE WHAT SCIENTIST KNOW ABOUT IT ... WE KNOW VERY LITTLE THINGS ABOUT IT ... DO WE KNOW EVERYTHING ABOUT SUN ......NO...
THEN HOW CAN WE KNOW ALL THING ABOUT BLACK-HOLES ....
FORGİVE ME FOR MY PHILOSOPHICAL ANSWER ...

2006-07-12 23:13:37 · answer #5 · answered by u&me 3 · 0 0

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