Bands of colored light in high-latitude night skies.

• Caused by solar particles; called borealis or australis.

高纬度天空出现的彩色光带现象。

• 由太阳带电粒子引起；称北极光或南极光。

Poetic or archaic term for dawn or first light.

指拂晓、晨光的诗意或古旧用法。