The nature's amazing beauties are largely driven by the day-to-day activity of the sun and today the most concerned issue is undoubtedly based on incoming solar radiation and ultraviolet part of solar radiation at the earth's surface. This monograph considers the basic physical properties of different atmospheric phenomena like climate classification, formation of the rainbow, atmospheric gases, troposcatter propagation and attenuation, water vapor absorption, scattering by rain drops etc. in a very systematic and lucid way. It further includes solar and terrestrial radiations, highlighting...