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Fermi Sees Brightest-Ever Blazar FlareWashington DC (SPX) Dec 10, 2009 A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began September 15, the galaxy is now the brightest source in the gamma-ray sky - more than ten times brighter than it was in the summer. Astronomers identify the object as 3C 454.3, an active galaxy located ... read more |
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Birkenhead, UK (SPX) Dec 10, 2009The Liverpool Telescope has used a unique scientific camera (named RINGO) to measure the polarization of the light from a Gamma Ray Burst and show that strong magnetic fields are responsible for beaming the light towards the Earth. The result is reported in a paper in Nature magazine by the team of Liverpool John Moores University (LJMU) astronomers who built and operate the instrument. ... more  
London (AFP) Dec 8, 2009The Hubble telescope has captured some of the oldest galaxies yet seen in the universe using a new infared camera, scientists in Britain said Tuesday. The camera newly installed on the telescope by NASA astronauts has snapped the galaxies "which are likely to be the most distant ever seen," said the scientists who studied the images. The galaxies date back to when the universe was still ... more 
Bonn, Germany (SPX) Dec 09, 2009An international research team led by Makoto Kishimoto from the Max Planck Institute for Radio Astronomy in Bonn presents some of the first long-baseline interferometric measurements in the infrared towards nearby Active Galactic Nuclei with the Keck interferometric telescope in Hawaii. The team finds the measurements to indicate a ring-like emission from sublimating dust grains, and its ... more |
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 View From The Center Of The Solar System   The 2009 Geminid Meteor Shower  Closing In On The Origin Of Cosmic Rays |
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Paris, France (ESA) Dec 09, 2009The new Wide Field Camera 3 aboard the NASA/ESA Hubble Space Telescope has taken the deepest image yet of the Universe in near-infrared light. The faintest and reddest objects in the image are likely the oldest galaxies ever identified, having formed between only 600-900 million years after the Big Bang. In 2004, Hubble created the Hubble Ultra Deep Field (HUDF), the deepest visible-light ... more  
Washington DC (SPX) Dec 09, 2009When the LCROSS rocket stage slammed into Cabeus crater on October 9, creating an impact plume of material that had not seen sunlight for possibly billions of years, it conclusively proved that water ice exists in the dark recesses of the Moon's polar craters. The LCROSS findings delighted William Feldman, a senior scientist at the Tucson-based Planetary Science Institute. "What got me ... more 
Canberra, Australia (SPX) Dec 08, 2009An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one third of all Sun-like stars during the latter stages of their lives still remain unexplained. Over the past few decades, astronomers have offered many possible explanations, but the new, painstaking ... more |
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 Absence Of Evidence For A Meteorite Impact Event 13,000 Years Ago  Stellar Family Portrait Takes Imaging Technique To New Extremes  Revealing A New Type Of Supernova |
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