cosmic rays are highly penetrating radiations consisting high energy atomic nuclei which are continuously entering into earth atmosphere in all direction from outer surface.It consisting wide range of energy from 1000000000 ev to 1000000000000000000 ev .IN every second nearly 1000000000000000000 no. of cosmic rays enters in earth surface .It was detected by scientist Elster and Geital and confirmed by C T R Wilson .cosmic ray was named by scientist millikan .
IT is thought that origin of cosmic rays is that sun and cosmic ray stars . The origin of cosmic ray is still an unsolved problem , till now we have no accurate information about this .
IT is thought that origin of cosmic rays is that sun and cosmic ray stars . The origin of cosmic ray is still an unsolved problem , till now we have no accurate information about this .
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