Dark Sun Sizzling
Dark Sun Sizzling. シズル。Since only active regions emit significant amounts of energetic ultraviolet light, most of the Sun appears dark. Good.
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Dark Sun Sizzling. シズル。Since only active regions emit significant amounts of energetic ultraviolet light, most of the Sun appears dark. Good.
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http://www.ht.sfc.keio.ac.jp/~masato/mt/mt-tb.cgi/2637