Supermassive black hole

Astronomers Discover Two Supermassive Black Holes Spiraling Towards a Collision

Black holes are cosmic monsters that made the universe appear more mysterious than ever. A recent study enables astronomers to discover that a giant black hole around 9 billion light years away now has a companion black hole around its orbit. As the orbit of this supermassive black hole continues shrinking, its visitor moves closer …

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