Black Hole
A black hole is a region in space where the gravitational force is so strong that nothing, not even light, can escape from it. It is formed when a massive star dies and its core collapses under the force of gravity, becoming infinitely dense and creating a singularity. The boundary around a black hole from which nothing can escape is called the event horizon. Black holes are important in the study of astrophysics and cosmology, as they provide a unique laboratory for testing the laws of physics under extreme conditions. They are also believed to play a crucial role in the evolution of galaxies and the formation of structures in the universe.
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