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2 
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a natural electrical phenomenon  
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3 
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reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy. 
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4 
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a brief eruption of intense high-energy radiation from the sun's surface 
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5 
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is above another layer of the sun 
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6 
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layer of a stars interior 
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7 
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the rarefied gaseous envelope of the sun and other stars 
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8 
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 large, bright feature extending outward from the Sun's surface 
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9 
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the luminous envelope of a star from which its light and heat radiate 
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10 
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it is region of turbulent plasma between a star's core  
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12 
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the continuous flow of charged particles from the sun that permeates the solar system 
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14 
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what the sun is made of 
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