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| The energy-producing centre of the sun; has a temperature of 1.5 X 10^7 C and a radius of 1.75 X 10^5 km |
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| The layer surronding the core of the sun; approximately 3.5 X 10^5 km thick |
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| The layer of the sun above the radiative zone; has a temperature of 2 X 10^5 C and a radius of 2 X 10^6 |
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| The thin, outermost layer of the sun; has a temperature of 5500 C |
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| A layer of somewhat thinner gases at 60000 C that make up the inner atmosphere of the sun; liesoutside of the photosphere |
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| The sun's outer atmosphere, consisting of thin gases at a temperature of 2 X 10^6 C |
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| Dark spot on the sun's surface, varying in size and regularity; caused by disturbances in the sun's magnetic field |
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