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NASA X-Ray Observatories Reveal Black Hole Spin
2013-02-27 17:22:50

Scientists affiliated with NASA’s NuSTAR and XMM-Newton X-ray observatories have now devised a clever way to directly measure the rotation of nearby supermassive black holes.

6aefb24b32c0ae5efeeb93d218e2195a1
2010-07-22 06:39:06

Scientists have found evidence that a giant black hole has been jerked around twice, causing its spin axis to point in a different direction from before.


Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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