ABSTRACT
The study of comparison between cosmic rays, sunspot and solar flare has been carried out and done with the observations made from January to December, 2010 and January to March, 2011. The counts of cosmic rays and solar flare showed continuous phase variations in all the graphs of each month in which the number of cosmic ray count is inversely proportional to the number of solar flare counts. It is difficult enough to observe these particles and the effects they have on each other. Cosmic rays detector works by detecting muons which are by products of cosmic rays colliding with our atmospheric particles. The solar flare which is solar activity affects cosmic rays event in Earth’s atmosphere. It was also observed that cosmic rays can be affected by other solar activities, that is not only solar flare modulates cosmic rays. At the same time, two or more solar activities affect cosmic rays in both outer surface of the sun and in Earth’s atmosphere leading to complete ionizations of particles in different layers of Earth’s atmosphere. While sunspot associates with cosmic rays little but it does combines with other solar activities for it modulations. The results of the correlation coefficient value between cosmic rays count and solar flare count ranges -0.1 to 0.4. While the one of cosmic ray and sunspot ranges -0.4 to 0.3.
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