北极光的神秘来源  

The Mysterious Origin of the Northern Lights

出　　处：《时代英语（高三版）》2023年第3期13-15,共3页Times English

摘　　要：北极光经常被描述为地球上最盛大的“灯光秀”。几个世纪以来,这种高纬度地区独有的现象让科学家们大为敬畏和惊叹。根据一项研究,美国艾奥瓦大学的一群物理学家已证实“这绝妙的极光是由地磁暴期间强大的电磁波所产生”。研究表明,这些现象也被称为“阿尔文波”,它们可以使电子加速向地球移动,导致粒子产生我们所了解的北极光。The aurora borealis,or Northern Lights,could easily be described as Earth's greatest light show.A phenomenon that's exclusive to the higher latitudes has had scientists inawe and wonderfor centuries.A group of physicists from the University of lowa in the Us have proven that the“most brilliant auroras are produced by powerful electromagnetic waves during geomagnetic storms”,according to a study.

关 键 词：阿尔文波 粒子产生 地磁暴 高纬度地区 电子加速 艾奥瓦 电磁波 物理学家 

分 类 号：G63[文化科学—教育学]