Cosmic Rays Are Very Energetic Spaceborne Particles That Collide With Earth's Atmosphere. This Research Examines the Observed Findings and the Effects of Solar Variability on Cosmic Rays and The Geomagnetic Field from 1996 to 2015. Two Types of Cosmic Ray Modulation Have Been Identified Periodic And Sporadic. Sporadic Categories Include Forbush Decline, Transitory Drop, and Ground Level Enhancement (Gle). Galactic Cosmic Ray Variation Is Also Known As Long-Term Variation, While Forbush Reduction Is Short-Term Variation. Long-Term Variations In Cosmic Ray Intensity Exhibit an 11-Year Cycle With One Peak Every Cycle. Solar Activity and Cosmic Ray Intensity Are Inversely Correlated.