cosmic radiation
- n radiation coming from outside the solar system
cosmic radiation :
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- Summer camp students visit Richland security lab
Allen Seifert, right, a nuclear engineer at Pacific Northwest National Laboratory, leads students Hannah Gardiner, left, Andrea Richard and Pat Mulligan on a tour of PNNL's Shallow Underground Laboratory, June 11, 2013. The lab is 100-times more protected from cosmic radiation than the earth's surface which allows scientists to perform very sensitive radiation detection.
June 17, 2013 - Washington Examiner