Explain about Cosmic rays?
Answer / deepa
Cosmic rays:-These consist of extremely energetic particles chiefly protons originating in distant stars and accelerated by magnetic fields in interstellar space before-reaching the earth. When these primary cosmic rays collide with the nuclic of the earth’s atmosphere they produce high energy electrons, positrons and photons collectively called secondary cosmic rays. Electromagnetic radiations of extremely small wavelength are associated with the cosmic rays.
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