Black hole, a dense cosmic body with such an immense gravitational pull that it can distort the space time continuum. Even light cannot escape its gravitational pull so, body that crosses path with this cosmic roomba is disintegrated and absorbed into it. A single black hole can devour entire galaxies. Now, imagine two of these around each other.
NEWS SOURCE:- https://in.mashable.com/science/7168/astronomers-have-spotted-three-black-holes-on-a-collision-course
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