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オーロラ

オーロラとは太陽から放出される太陽風と呼ばれる磁気を帯びた粒子が地球の磁力線に引っ張られ両極に引き寄せられ、大気圏に突入した際に起こる発光現象。南極北極では同時に対称的に発生する。




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