News tagged with lensing galaxy
Distorting the lens
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational ...
Feb 09, 2012 |
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Hubble directly observes the disc around a black hole
(PhysOrg.com) -- Scientists have used the NASA/ESA Hubble Space Telescope to observe a quasar accretion disc -- a glowing disc of matter that is slowly being sucked into its galaxy's central black hole. Their ...
Nov 04, 2011 |
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Cosmic magnifying lenses distort view of distant galaxies
Looking deep into space, and literally peering back in time, is like experiencing the universe in a house of mirrors where everything is distorted through a phenomenon called gravitational lensing. Gravitational ...
Jan 12, 2011 |
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Light bending by a black hole may offer proof of extra dimensions
(PhysOrg.com) -- Researchers at the University of Pennsylvania report that a new test for measuring the ability of gravity to bend light seen from distant stars around large objects like black holes may offer proof of the ...
Nov 18, 2010 |
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Lensed galaxies
In 1915, Einstein amazed the world by predicting that the path of light could be bent by mass. As a consequence, light from a distant galaxy passing by an intervening galaxy en route to earth will be distorted. ...
Nov 12, 2010 |
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Detailed dark matter map yields clues to galaxy cluster growth
(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope took advantage of a giant cosmic magnifying glass to create one of the sharpest and most detailed maps of dark matter in the universe. Dark ...
Nov 12, 2010 |
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Astronomers use galactic magnifying lens to probe elusive dark energy
A team of astronomers has used a massive galaxy cluster as a cosmic magnifying lens to study the nature of dark energy for the first time. When combined with existing techniques, their results significantly ...
Aug 19, 2010 |
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Astronomers discover an unusual cosmic lens
Astronomers at the California Institute of Technology (Caltech) and Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland have discovered the first known case of a distant galaxy being ...
Jul 16, 2010 |
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Hubble confirms cosmic acceleration with weak lensing (w/ Video)
(PhysOrg.com) -- A group of astronomers, led by Tim Schrabback of the Leiden Observatory, conducted an intensive study of over 446 000 galaxies within the COSMOS field, the result of the largest survey ever ...
Mar 25, 2010 |
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Weak Lensing Gains Strength
(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, ...
Jan 19, 2010 |
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Most distant detection of water in the Universe
(PhysOrg.com) -- Astronomers have found the most distant signs of water in the Universe to date. Dr John McKean of the Netherlands Institute for Radio Astronomy (ASTRON) will be presenting the discovery at ...
Apr 22, 2009 |
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Physicists see the cosmos in a coffee cup
(PhysOrg.com) -- A Duke University professor and his graduate student have discovered a universal principle that unites the curious interplay of light and shadow on the surface of your morning coffee with ...
Apr 14, 2009 |
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