| http://www.w3.org/ns/prov#value | - This discovery is a major step toward understanding the origin of cosmic rays, one of Fermi???s primary mission goals.???Scientists have been trying to find the sources of high-energy cosmic rays since their discovery a century ago,??? said Elizabeth Hays from NASA???s Goddard Space Flight Center in Greenbelt, Maryland. ???Now, we have conclusive proof supernova remnants, long the prime suspects,
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