Any star which is 10x the mass of the sun or higher or any star which collapses and leaves material 3x that of the sun, will be subject to gravity crushing this matter until a black hole forms. In the 1970’s, astronomers found Cygnus X-1, the first ever confirmed black hole. The Milky Way Galaxy is wide, measuring 100,000 light years in diameter, but relatively thin, measuring only 1000 light years in depth. 26,000 light years from Earth is the center of the Milky Way Galaxy, in the direction of...
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