According to scientists, the gravitational potential inside the black hole is very high and the escape velocity of the black hole is also very fast, due to which the black hole absorbs light also.

Albert Einstein first predicted the existence of black holes with his general relativity theory in 1916

The term "black hole" was coined several years later in 1967 by American astronomer John Wheeler

The first black hole discovered was Cygnus X-1, located within the Cygnus galaxy in the constellation Cygnus the Swan.

According to scientists, a holographic image of an object falling into a black hole is formed while the length of the object will increase.

The closest black hole to Earth is called "The Unicorn" and is located about 1,500 light years away.

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