| 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, a member of the research team and Fermi deputy project scientist at NASA???s Goddard Space Flight Center in Greenbelt, Md. ???Now we have conc
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