electromagnetic waves in the black footwear ladies

Electromagnetic wave is wave by which some electromagnetic field has been accused and that is a lot of the velocities of the web particle duality.

Black body radiation is the radiation which is coming from the event of Horizon of the black hole.

We already know that the black hole is is not detectable and it cannot be identified by any man or machine.

first of all the Albert Einstein in 1917 first creative that there is existence of the black hole in the universe.

but at the time it was only created by theoretical physics because there was no practical evidence against the existence of the black hole