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mass. Solar energy is created at the core of the Sun. At the sun’s core the temperature is 15 million degrees Celsius and has a pressure of 340 billion times that of the earth. In these extreme conditions, continual nuclear reactions occur due to fissional matter kept constantly at critical mass. In these nuclear reactions, 4 protons or hydrogen nuclei fuse together to form one alpha particle or helium nucleus. The alpha particle is about .7 percent of the mass of the four protons. The difference in mass is expelled as energy and is carried to the surface of the Sun, through a process known as convection, where it is released as light and heat. Energy generated in the Sun's core takes about one million years to reach its surface. Every second 700 million tons of hydrogen are converted into helium ash. In this process 5 million tons of pure energy is released, causing, as time goes on, the Sun to become lighter in mass. The surface of the sun is at a comparatively low temperature of 6000 degrees Celsius (Hamilton, 2004). 2.1.1 The Structure of the Sun The Sun consists of three layers, the Inner Core, the Radiative Zone and lastly the Convection Zone of which the Photosphere is the outer part. The Chromosphere forms the inner part of the atmosphere beneath the Photosphere. Solar energy passes through this region on its way out from the center of the Sun. Faculae and flares arise in the Chromosphere. Faculae are bright luminous hydrogen clouds which form above regions where sunspots are about to form. Flares are bright filaments of hot gas emerging from sunspot regions. Sunspots are dark depressions on the Photosphere with a typical temperature of 4,000°C. The corona forms the outermost layer of the Sun's atmosphere. It is in this region that ‘Prominences’ appear. Prominences are immense clouds of glowing gas that erupt from the upper Chromosphere. The outer region of the corona stretches far into space and consists of particles, often called the ‘Solar Wind’, traveling slowly away from the Sun. If solar activity is significantly strong, the ‘solar winds’ generated have the ability to disrupt electrical equipment on Earth. Solar eclipses provide the only opportunity to view the sun’s corona (Hamilton, 2004). 9PDF Image | THE USE OF LIGHT AND COLOUR AS A HEALING MODALITY
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