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Issac Newton's observation
Issac Newton's theroy was confirmed that there could be massive objects in space that light could not escape from. -
Albert Einstein
Albert Einstein's theory of general relativity helped him understand more about the univese and also black holes. -
Subrahmanyan's Discovery
Subrahmanyan Chandrasekhar was the first person to describe how stars can turn into black holes. -
The Spiral of Black Holes
Roy Kerr discovers that big stars will ‘drag’ the spacetime around them. -
Quasar
Maarten Schmidt discovered a quasar, is one of the most powerful things in the universe.this helps him discover that it and all quasars are powered by black holes at the center of a galaxy. Quasar: An active Galactic Universe -
The Name: Black Hole
The name was given to these 'Unseen Darknesses' seen only on X-Rays, by an American astronomer by the name of John Wheeler. -
1st Black Hole
The first object to be reconized as a Black Hole suggestst to be founded as early as 1971. -
The Event horizon.
Nasa's Hubble Space Telescope and the Chandra X-ray observatory got strong evidence for the existence of an event horizon. -
Works Cited
http://imagine.gsfc.nasa.gov/ Other Black Hole timelines - bringing us to other sources.