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 Ervin WEB  - 20/1/27(月) 14:53 -

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   A book of First Class stamps toeopormo
 It's important to understand what processes cause our sun to act the way it does. This star is a major source of space weather as it slings coronal mass ejections and solar particles toward Earth. More specifically, learning about the internal system of the sun could improve predictions of the intensity of the next solar cycle.

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tVKBIRgvzbbdHIS Ervin 20/1/27(月) 14:53

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