... that not even light can escape, making them impossible to see. But we can see the debris that is being sucked in to these collapsed stars. Anything that approaches a Black Hole is first torn apart by it's immense gravitational force and then forms a flat rotating disc that spirals into the hole. The name "Black Hole" was not developed until 1967 but ideas around their existence have existed since the 18th century. The first ideas were put forward in 1783 by Reverend John Michell where he talked of how "light could not escape from a star of the same mean density as the Sun but 500 times bigger". These first ideas on Black Holes were based around speculations about Black Holes hinged on ideas about the nature of light. By the end of the 17th century it was known that light travelled through space at a great speed. Then ...

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