News tagged with luminosity
White LEDs with super-high luminous efficacy could satisfy all general lighting needs
(PhysOrg.com) -- Researchers from the Nichia Corporation in Tokushima, Japan, have set an ambitious goal: to develop a white LED that can replace every interior and exterior light bulb currently used in homes ...
Aug 31, 2010 |
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Dark Matter May be Easier to Detect than Previously Thought
(PhysOrg.com) -- The Milky Way, like many other galaxies, is thought to be embedded in massive, lumpy amounts of dark matter that release gamma rays and other emissions. Although at first these emissions seem ...
Aug 10, 2009 |
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Galactic nuclei offer some indication of axionlike particles
(PhysOrg.com) -- “Axionlike particles are interesting because they come up regularly when scientists study string theory. By looking at their properties, you hope to learn about string theory, or some other unified theory ...
May 28, 2009 |
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Giant space blob glows from within: Primordial cloud of hydrogen found to be centrally powered
(PhysOrg.com) -- Observations from ESO's Very Large Telescope have shed light on the power source of a rare vast cloud of glowing gas in the early Universe. The observations show for the first time that this ...
Aug 17, 2011 |
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Large Hadron Collider pauses protons; enters new phase
(PhysOrg.com) -- Proton running for 2010 in the Large Hadron Collider at CERN came to a successful conclusion today. Since the end of March, when the first collisions occurred at a total energy of 7 TeV, the ...
Nov 04, 2010 |
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Belle discovers new heavy 'exotic hadrons'
(PhysOrg.com) -- Two unexpected new hadrons containing bottom quarks have been discovered by the Belle Experiment using the High Energy Accelerator Research Organization (KEK)'s B Factory (KEKB), a highly-luminous, ...
Jan 10, 2012 |
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Large Hadron Collider gains pace: CERN
The world's biggest atom smasher is swiftly gaining pace as scientists seek to unravel the secrets of the universe, the European Organisation for Nuclear Research (CERN) said on Monday.
Jun 28, 2010 |
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Large Hadron Collider reaches record 1380 proton bunches per beam
In just two weeks of operation in "stable beams" mode, the Large Hadron Collider (LHC) has aready reached 1380 proton bunches per beam, the maximum value set for this year. The number of bunches was increased ...
Apr 19, 2012 |
4.9 / 5 (10) |
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Large Hadron Collider achieves 2011 data milestone
Today at around 10:50 CEST, the amount of data accumulated by Large Hadron Collider experiments ATLAS and CMS clicked over from 0.999 to 1 inverse femtobarn, signalling an important milestone in the experiments' ...
Jun 19, 2011 |
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Ultra-luminous x-ray sources
(PhysOrg.com) -- An ultra-luminous X-ray source (ULX) emits more radiation in the X-rays than do a million suns at all wavelengths. ULXs are rare: Most galaxies, including our own Milky Way, have none, and ...
Mar 19, 2012 |
5 / 5 (7) |
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Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
Dec 16, 2009 |
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Discovery of three smallest exoplanets: The Barnard's star connection
The discovery of the three smallest planets yet orbiting a distant star, which was announced today at the annual meeting of the American Astronomical Society, has an unusual connection to Barnard's star, one ...
Jan 11, 2012 |
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New SuperB factory particle-accelerator project launched in Italy
(PhysOrg.com) -- The SuperB factory, a particle-accelerator to be built in Rome and approved last May by the Italian government was officially launched this past Friday with construction set to begin sometime ...
Oct 12, 2011 |
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Zoom-up star photos poke holes in century-old astronomical theory
(PhysOrg.com) -- The hottest stars in the universe spin so fast that they get a bit squished at their poles and dimmer around their middle. The 90-year-old theory that predicts the extent of this "gravity ...
Apr 18, 2011 |
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Just four percent of galaxies have neighbors like the Milky Way
How unique is the Milky Way? To find out, a group of researchers led by Stanford University astrophysicist Risa Wechsler compared the Milky Way to similar galaxies and found that just four percent are like ...
May 23, 2011 |
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Luminosity
Luminosity is a measurement of brightness.
For more information about Luminosity, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
