Astronomers Captured the First Image of a Black Hole which was a halo of dust and gas, tracing the outline of a colossal black hole at the center of the galaxy M87 (Messier 87) with the help of The Event Horizon Telescope (EHT) observations. Black Hole.Black holes were first predicted by Einstein's theory of relativity and these are the extreme cosmic objects, containing incredible amounts of mass within a tiny region.The galaxy is 55 million light-years away from Earth.