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Astronomers discovered three black holes which are about to collide

NASA's Wide-field Infrared Survey Explorer (WISE) collected infrared radiation data that showed evidence of three supermassive black holes which are about to collide, a billion light-years from planet Earth.

Each of them are weighing billions of times more than the Sun. The unexpected black hole trio was also found through many different observations of the universe. The system where this triple black hole merger is happening is called SDSS J0849+1114. Ryan Pfeifle of George Mason University in Fairfax, Virginia, said: “We were only looking for pairs of black holes at the time, and yet, through our selection technique, we stumbled upon this amazing system. Until now, scientists have seen examples of two black holes colliding and merging into larger bodies. The discovery could now open doors to understanding how the biggest black holes in the universe were born.

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An artist vision

A black hole is a point in space where gravity pulls so much that even light can not get out. Primordial black holes are the smallest of the bunch, no larger than a single atom but weighing more than a mountain. Additional observations made by NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) found vast quantities of stellar gas and dust around one of the black holes. Dual and triple black holes are exceedingly rare, but such systems are actually a natural consequence of galaxy mergers, which we think is how galaxies grow and evolve.The merger will also create gravitational waves.

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