News tagged with emission line
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Search results for emission line
The Energy Sources of Ultraluminous Galaxies
Nov 27, 2009 |
4.6 / 5 (16) |
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(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
4.8 / 5 (14) |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
Burning coal worse for climate than clearing rain forests
Nov 26, 2009 |
2.4 / 5 (8) |
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Deforestation has had a big influence on the increase of carbon dioxide (CO2) emissions in the past three centuries, but its impact is tapering off relatively. Nowadays, the burning of fossil fuels is a more crucial factor. ...
Infrared Image of Circumstellar Disk Illuminates Massive Star Formation Process
Nov 24, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- A team of astronomers from Ibaraki University, Japan Aerospace Exploration Agency, Kanagawa University, University of Tokyo, Academica Sinica, and National Astronomical Observatory of Japan ...
Herschel takes a peek at the ingredients of the galaxies
Nov 27, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
Intensive land management leaves Europe without carbon sinks
Space & Earth / Earth Sciences
Nov 23, 2009 |
3.5 / 5 (8) |
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A new calculation of Europe's greenhouse gas balance shows that emissions of methane and nitrous oxide tip the balance and eliminate Europe's terrestrial sink of greenhouse gases.
China harnesses mountain wind power
Nov 22, 2009 |
4.4 / 5 (12) |
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In the mountains above the southwestern Chinese town of Dali, dozens of new wind turbines dot the landscape -- a symbol of the country's sky-high ambitions for clean, green energy.
Cutting greenhouse pollutants could directly save millions of lives worldwide
Nov 25, 2009 |
2.1 / 5 (11) |
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Tackling climate change by reducing carbon dioxide and other greenhouse emissions will have major direct health benefits in addition to reducing the risk of climate change, especially in low-income countries, according to ...
Most radiation oncologists utilize advanced medical imaging techniques, study suggests
Nov 25, 2009 |
not rated yet |
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A recent study shows that 95 percent of radiation oncologists use advanced imaging techniques such as positron emission tomography (FDG-PET), magnetic resonance imaging (MRI), and 4-dimensional computed tomography (4DCT) ...
Gene increases effectiveness of drugs used to fight cancer and allows reduction in dosage
Nov 24, 2009 |
5 / 5 (1) |
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Researchers at the University of Granada, Spain, have found a suicide gene, called 'gene E', which leads to the death of tumour cells derived from breast, lung and colon cancer, and prevents their growth. ...
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