News tagged with rotating black hole
A Newtonian system that mimics the baldness of rotating black holes
Feb 23, 2009 |
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(PhysOrg.com) -- The rotating black hole has been described as one of nature's most perfect objects. As described by the Kerr solution of Einstein's gravitational field equations, its spacetime geometry is ...
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Invading black holes explain cosmic flashes
Sep 18, 2009 |
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(PhysOrg.com) -- Black holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today.
Podcast: Reproducing a Black Hole in the Laboratory, and other Quantum Theories
Aug 27, 2009 |
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In a recent study, Professor of Physics and Astronomy Miles Blencowe and his colleagues proposed a new way of creating a reproduction black hole in the laboratory.
Chandra data reveal rapidly whirling black holes
Jan 10, 2008 |
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A new study using results from NASA's Chandra X-ray Observatory provides one of the best pieces of evidence yet that many supermassive black holes are spinning extremely rapidly. The whirling of these giant ...
Scientists find black hole 'missing link'
Sep 17, 2008 |
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Scientists at Durham University have found the "missing link" between small and super-massive black holes.
Cygnus X-1: Still a 'Star' After All Those Years
Aug 28, 2009 |
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Since its discovery 45 years ago, Cygnus X-1 has been one of the most intensively studied cosmic X-ray sources. About a decade after its discovery, Cygnus X-1 secured a place in the history of astronomy when ...
Chinese scientists create metamaterial black hole
Oct 16, 2009 |
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(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...
An Intriguing, Glowing Galaxy
May 14, 2009 |
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A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...
A new way to weigh giant black holes
Jul 16, 2008 |
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How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.
Radio telescope reveals secrets of massive black hole
Apr 23, 2008 |
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At the cores of many galaxies, supermassive black holes expel powerful jets of particles at nearly the speed of light. Just how they perform this feat has long been one of the mysteries of astrophysics.
Black Holes: Eternal Prisons No More, Stephen Hawking's Lecture
Mar 16, 2009 |
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Celebrated physicist, Stephen Hawking, delivered an inspiring speech to a full house in Bovard Auditorium on March 10. USC College Dean Howard Gillman kicked off the event by introducing Nick Warner, professor ...
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