In 1783, this obscure English rector predicted black holes using Newton's classical mechanics.
Even more remarkably, Michell went on to describe how astronomers might be able to detect such objects in space by looking for single stars that behaved as if they were part of a binary star system.
By then, however, a French astronomer named Pierre-Simon de Laplace had also published a theory about such"invisible stars" in 1796, also based on the classical mechanics of Newton. The speed of light might be constant regardless of a gravitational field, but it is still absolutely affected by the curvature of spacetime.
No such star is known to exist, and even if it did, it still would not develop an event horizon that would trap light forever. In order to form an event horizon, a mass would have to be compressed below what is called theUltimately, the dark stars Michell described could only exist if Newton's theories were accurate, which they ultimately were not, but Michell's reasoning is still sound.
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