世界各地的人们，曾经对夜空中飘动的彩色光带有过很多浪漫的想象——有人说那是祖先在天上跳舞，有人说那是勇士盔甲反射的光芒。这种神奇的现象，就是我们今天说的"极光"。

People around the world have long had many romantic ideas about the colorful bands of light that drift across the night sky, some said it was their ancestors dancing in the heavens, others said it was light reflecting off a warrior's armor. This magical phenomenon is what we call the "aurora" today.

不过今天阿鸦不讲传说，要讲讲极光背后真正的科学原理——原来这跟遥远的太阳，还有地球看不见的"隐形铠甲"，都有关系。

But today, A-Ya isn't going to tell a legend, instead, he'll explain the real science behind the aurora, it turns out this has to do with the distant sun, and an invisible "armor" that surrounds the Earth.

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