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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.
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.
Living fossils hold record of 'supermassive' kick
Jul 09, 2009 |
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The tight cluster of stars surrounding a supermassive black hole after it has been violently kicked out of a galaxy represents a new kind of astronomical object and a fossil record of the kick.
Cookie cutter in the sky: Seeing the shape of material around black holes for first time
Dec 16, 2008 |
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Black holes can now be thought of as donut holes. The shape of material around black holes has been seen for the first time: an analysis of over 200 active galactic nuclei—cores of galaxies powered by disks ...
Black Hole Pumps Iron
Sep 14, 2009 |
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(PhysOrg.com) -- This composite image of the Hydra A galaxy cluster shows 10-million- degree gas observed by Chandra in blue and jets of radio emission observed by the Very Large Array in pink. Optical data ...
Rogue Black Holes May Roam the Milky Way
Apr 29, 2009 |
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(PhysOrg.com) -- It sounds like the plot of a sci-fi movie: rogue black holes roaming our galaxy, threatening to swallow anything that gets too close. In fact, new calculations by Ryan O'Leary and Avi Loeb ...
The mystery of young stars near black holes solved
Aug 22, 2008 |
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The mystery of how young stars can form within the deep gravity of black holes has been solved by a team of astrophysicists at the Universities of St Andrews and Edinburgh.
Galaxy Collision Switches on Black Hole
Dec 10, 2009 |
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(PhysOrg.com) -- This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970.
Most Black Holes Might Come in Only Small and Large
Aug 20, 2008 |
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(PhysOrg.com) -- Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass. But do black holes also come in size medium? ...
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.
Black hole expelled from its parent galaxy
Apr 30, 2008 |
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By an enormous burst of gravitational waves that accompanies the merger of two black holes the newly formed black hole was ejected from its galaxy. This extreme ejection event, which had been predicted by ...
