auroras

Magnetic field, auroras, magnetic declination and magnetic field reversals.

地球的磁場 、 極光 、 磁偏角和地磁極倒轉.

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Explanation: Will it be curtains for one of these auroras?

說明: 上圖中哪一束極光可以被歸類成“簾幕”?

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Explanation : Few auroras show this level of detail.

極光很少顯現出其如此清晰的細節.

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Explanation : Auroras can make spectacular sights.

極光能織就一幅絢麗的美景.

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A prominent green line in the spectrum of the auroras is called the'auroral line '.

極光光譜中的一條主要綠線被稱之為極光譜線.

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If viewed from space, auroras can be to glow in X - ray and ultraviolet light as well.

如果在太空中觀察, 極光還會發出 X 光和遠紫外光.

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Auroras occur when charged particles outside the Earth's atmosphere collide with atoms in the upper atmosphere.

黎明的女神北極光的出現,在地球的外空大氣層粒子的碰撞并且伴隨許多原子在大氣層的上面.

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