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Three-Telescope Interferometry Allows Astrophysicists To Observe How Black Holes Are FueledSanta Barbara CA (SPX) May 19, 2012 By combining the light of three powerful infrared telescopes, an international research team has observed the active accretion phase of a supermassive black hole in the center of a galaxy tens of millions of light-years away, a method that has yielded an unprecedented amount of data for such observations. The resolution at which they were able to observe this highly luminescent active galactic nucleus (AGN) has given them direct confirmation of how mass accretes onto black holes in centers of galaxies. ... read more |
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Internet entrepreneur hits paydirt in space, autos SpaceX blasts off to space station in historic first Measuring Transient X-rays with Lobster Eyes Beidou navigation system installed on more Chinese fishing boats Hubble Spies Edge-on Beauty Seeking Signs of Life at the Glacier's Edge Herschel Sees Intergalactic Bridge Aglow With Stars Glitch mars opening of world's tallest tower Famed US alien seeker shifts gaze back to Earth Venus Express unearths new clues to the planet's geological history Scientists design indoor navigation system for blind Gilat's Spacenet Introduces Connect Series of Managed Network Services NASA Goddard Delivers Magnetometers for NASA's Next Mission to Mars Proba-2 catches solar eclipse Cassini Spots Tiny Moon, Begins to Tilt Orbit | .. |
![]() Watching an electron being born A strong laser beam can remove an electron from an atom - a process which takes place almost instantly. At the Vienna University of Technology, this phenomenon could now be studied with a time resol ... more | .. |
![]() You can't play nano-billiards on a bumpy table There's nothing worse than a shonky pool table with an unseen groove or bump that sends your shot off course: a new study has found that the same goes at the nano-scale, where the "billiard balls" a ... more | .. |
![]() Massive black holes halt star birth in distant galaxies Astronomers, using the European Space Agency's (ESA) Herschel Space Observatory, have shown that the number of stars that form during the early lives of galaxies may be influenced by the massive bla ... more | .. |
![]() Queen's scientists discover black hole ripping apart star Astronomers from Queen's University Belfast have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close. The Queen's astronomers are part of the ... more |
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![]() Atomic-scale visualization of electron pairing in iron superconductors By measuring how strongly electrons are bound together to form Cooper pairs in an iron-based superconductor, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, Corne ... more | .. |
![]() Old Star, New Trick The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers ... more | .. |
![]() NASA's Chandra Sees Remarkable Outburst From Old Black Hole An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes. The discovery, made by astronomers using NAS ... more | .. |
![]() Researchers from the University of Zurich discover new particle at CERN Physicists from the University of Zurich have discovered a previously unknown particle composed of three quarks in the Large Hadron Collider (LHC) particle accelerator. A new baryon could thus be de ... more |
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![]() Redefining time Atomic clocks based on the oscillations of a cesium atom keep amazingly steady time and also define the precise length of a second. But cesium clocks are no longer the most accurate. That title has ... more | .. |
![]() Study finds twist to the story of the number line Tape measures. Rulers. Graphs. The gas gauge in your car, and the icon on your favorite digital device showing battery power. The number line and its cousins - notations that map numbers onto space ... more | .. |
![]() Scientists develop 'most powerful' quantum simulator Physicists in the United States said Wednesday they have developed a simulator that will allow them to observe the behaviour of subatomic particles impossible to measure on existing computers. ... more | .. |
![]() Quantum physics mimics spooky action into the past Physicists of the group of Prof. Anton Zeilinger at the Institute for Quantum Optics and Quantum Information (IQOQI), the University of Vienna, and the Vienna Center for Quantum Science and Technolo ... more |
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![]() Raising the prospects for quantum levitation More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that two mirrors placed facing each other in a vacuum would attract. The mysterious force arises from the ene ... more | .. |
![]() Magnetic fields can send particles to infinity Researchers from the Complutense University of Madrid (UCM, Spain) have mathematically shown that particles charged in a magnetic field can escape into infinity without ever stopping. One of the con ... more | .. |
![]() Astro-H agreement signed with JAXA An agreement was signed by ESA and the Japanese Aerospace Exploration Agency (JAXA) for cooperation on Astro-H, an important mission that will provide a unique opportunity for probing extreme phenom ... more | .. |
![]() Cosmic Mirages Confirm Accelerated Cosmic Expansion Quasars are very luminous objects powered by accretion of gas into supermassive black holes at the centers of distant galaxies. A quasar is typically located far away. Gravitational lensing is a phe ... more |
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![]() Time machine will study the early universe A new scientific instrument, a "time machine" of sorts, built by UCLA astronomers and colleagues, will allow scientists to study the earliest galaxies in the universe, which could never be studied b ... more | .. |
![]() 'Time machine' instrument sees the past U.S. researchers say a new instrument will be a "time machine" to allow scientists to study the universe's earliest galaxies that could never be studied before. ... more | .. |
![]() 'Ordinary' black hole discovered 12 million light years away An international team of scientists have discovered an 'ordinary' black hole in the 12 million light year-distant galaxy Centaurus A. This is the first time that a normal-size black hole has been de ... more | .. |
![]() NASA to Fly Deep Space Atomic Clock to Improve Navigation Technology When people think of space technologies, many think of high-tech solar panels, complex and powerful propulsion systems or sophisticated, electronic guidance systems. Another critical piece of spacef ... more |
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![]() Black Holes Grow Big by Eating Stars Most galaxies, including the Milky Way, have a supermassive black hole at their center weighing millions to billions of suns. But how do those black holes grow so hefty? Some theories suggest they w ... more | .. |
![]() Particle collider runs at record energies The Large Hadron Collider is operating again after a winter break, at higher energies than ever, officials at CERN, the European nuclear research center, said. ... more | .. |
![]() Clocking an accelerating universe: First results from BOSS Some six billion light years ago, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction of all th ... more | .. |
![]() The role of physics in the sinking of the Titanic A century on from the sinking of the Titanic, science writer Richard Corfield takes a look at the cascade of events that led to the demise of the 'unsinkable' ship, taking into account the maths and ... more |
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