The inner corona is a ring of pale-yellow light against which crimson prominences are outlined while the outer corona is a pearly white halo that extends far out into space. It is divided into inner and outer corona. E-corona: Created due to spectral emission lines produced by ions that are present in the coronal plasma F-corona: Created by sunlight scattering off dust particlesÄ£. #CORONA WEATHER IN SEPTEMBER FREE#K-corona: Created by sunlight bouncing off free electronsÄ¢. These radiations or light from the corona originate from three primary sources that occupy same volume of space. The corona emits radiations that can only be observed from space and are mainly in the form of X-rays. Thus, it contains electrons and protons in the same composition along with other atoms. The composition of the corona is the same as the interior of the Sun, mainly made up of hydrogen but ionized form. The matter in the external part of the atmosphere of the Sun is composed of plasma which has very low density. The corona is not evenly distributed across the surface of the Sun and is concentrated more along the equatorial lines. The intense temperature of the Sun's corona is due to the presence of highly ionized ions which give it a spectral feature.Äescription: The corona of the Sun is much hotter than its visible surface. It is extended to millions of kilometres into space and is commonly seen during a total solar eclipse. Definition: Corona is a luminous envelope of plasma that surrounds the Sun and other celestial bodies.
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