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Uploaded by bulamyang on Jan 26, 2010
極光是太陽風中的帶電粒子,順著地磁的磁力線方向,往兩極方向移動,與大氣中氣體原子碰撞放電,所發出的瑰麗極光,出現在北極的稱為北極光,出現在南極的稱為南極光。
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