H1821+643, a quasar powered by a supermassive black hole

Chandra Observatory shows black hole spins slower than its peers

30 June 2022

Astronomers have made a record-breaking measurement of a black hole鈥檚 spin, one of two fundamental properties of black holes. NASA鈥檚 Chandra X-ray Observatory shows this black hole is spinning slower than most of its smaller cousins.聽This is the most massive black hole with an accurate spin measurement and gives hints about how some of the universe鈥檚 biggest black holes grow.

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Galactic 鈥榲apour trails鈥 uncovered in giant cluster

20 September 2013

Astronomers have discovered enormous smooth shapes that look like vapour trails in a gigantic galaxy cluster. These 鈥榓rms鈥 span half a million light years and provide researchers with clues to a billion years of collisions within the 鈥済iant cosmic train wreck鈥 of the Coma cluster.

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