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All-Sky Radio Image in 60 Seconds, No Moving Parts

21 Feb , 2010 by

[/caption] This image is a software-calibrated image with high signal-to-noise ratio at a frequency of 120 MHz, of the radio sky above Effelsberg, Germany, on November10, 2009. It has North at the top and East at the left, just as a person would have seen the entire sky when lying on their back on a […]

Sources of Cosmic Rays Found? Fermi Telescope Closes In

15 Feb , 2010 by

The origin of cosmic rays has been a mystery since their discovery nearly a century ago. But new images from the Fermi Gamma-ray Space Telescope may bring astronomers a step closer to understanding the source of the Universe’s most energetic particles. The images show where supernova remnants emit radiation a billion times more energetic than […]

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