The sun is essentially a sphere of hot gases.The temperature of the bright disc (visible), which is the source of energy for us, is about 6,000 K. The disc is called photosphere. The radius of the sun is almost 100 times the radius of the earth and its ,mass is about a million times the mass of the earth
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The solar system is dominated by sun,which accounts for almost 99.9% of the matter of the whole solar system
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