What happen when we reach black hole?

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Entering a black hole leads to a phenomenon known as spaghettification, where extreme gravitational forces stretch and rip apart objects, including humans. If two black holes collide, they can merge, creating a more massive black hole and releasing significant energy in the process. The discussion also touches on the catastrophic consequences if a black hole were to approach Earth, emphasizing that survival would be impossible. Overall, the nature of black holes presents profound challenges to our understanding of physics and the universe. The dangers posed by black holes are both fascinating and terrifying.
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I know that black hole have strong absorb force even light can't escape,so if we get near i think we can't also escape,but i want to know what will happen when we reach inside the black hole? and what happen if two black holes meets,what will happen if it come near to earth?
 
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If a human were to enter a black hole, one would be spaghettified, yes that is an actual scientific term! Here is what the Oxford Dictionary has to say about it:

The http://www.oxforddictionaries.com/definition/english/process#process__3 by which (in some http://www.oxforddictionaries.com/definition/english/theory#theory__3 ) an object would be http://www.oxforddictionaries.com/definition/english/stretch#stretch__3 and http://www.oxforddictionaries.com/definition/english/rip#rip__3 apart by http://www.oxforddictionaries.com/definition/english/gravitational#gravitational__3 forces on falling into a http://www.oxforddictionaries.com/definition/english/black-hole#black-hole__3 .
http://www.oxforddictionaries.com/definition/english/spaghettification
 
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