black hole, a possible final state of a star, when its mass, and hence its gravitational pull, is so large that the star undergoes catastrophic gravitational collapse inwards, completely overwhelming the stabilizing forces within it. The matter becomes more and more compressed during this process which ultimately results in an object of zero size and infinite density.
why does it shrink to an infinitely small point? It is because its gravity is so strong that not even the star itself can resist itself from collapsing and it will continue to collapse because its gravity is growing stronger as the star gets smaller.
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Howdid they know about the black hole? Beam from black hole
The causes of a black hole
History of black hole discovery
How is black hole formed?
Black Hole is an infinitely small point?
One that failed to become Black hole, becomes white dwraf or neutron star
observations
