Beauty of the Aurora Borealis: A Natural Light Show，When the sun sets in the far north, a breathtaking display of natural beauty takes center stage in the night sky. The Aurora Borealis, or Northern

在北极洲的神秘之光，闪耀着美丽的神话色彩，这种令人迷醉的光芒是怎样闪现的呢？极光，又称极光背景、极夜光，是指在极地上空，当离子化的气