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About 7,800 light-years away within our galactic neighborhood is globular cluster NGC 6397, basically a wad of stars held together by gravity. That bunch of stars was previously thought to have an intermediate-sized black hole at its center. “We found very strong evidence for an invisible mass in the dense...
A individual should only step into one, solve the mysteries of black holes. There is a very complicated catch, however: a person can do this only if the respective black hole is supermassive and remote, and if the person entering the black hole does not expect someone in the entire...