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NASA discovers supermassive black holes

NASA discovers supermassive black holes
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NASA astronomers have discovered the closest pair of supermassive black holes ever seen to Earth.

With a mass millions of times that of the sun, they are said to be in a spiral galaxy similar to the Milky Way about 160 million light years away.

They are the likely result of what is known as a “minor merger” where one galaxy gets gobbled up by another.

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