极光的最高高度远在100公里之上，红色极光是氧原子受激所发出的光芒。
Well above 100 kilometers, at the highest altitudes infused by the auroral glow, the red color comes from the excitation of oxygen atoms.
极光的最高高度远在100公里之上，红色极光是氧原子受激所发出的光芒。
Well above 100 kilometers, at the highest altitudes infused by the auroral glow, the red color comes from the excitation of oxygen atoms.
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