why was the name black hole given
Answers
Around a black hole there is a position of no return, called the event horizon. It is called "black" because it absorbs all the light that hits it, reflecting nothing, just like a perfect black body in thermodynamics.
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Answer :
✿The stars evolve like the stars in the second group but after the supernova explosion , no pressure is capable of balancing their huge gravitational force and they continue contracting for ever . As their size becomes smaller , their density and their gravitational force increase tremendously .
✿ All nearby objects get attracted towards these stars and nothing can come out of them , not even light . Also , any light falling on these stars does not get reflected and gets absorbed inside the star .
✿Thus , we cannot see the star at all but can probably see a minute black hole at its place . This end stage of the star is therefore , called a black hole