高空闪电（红色精灵）[Red Sprite] - 达人(其实～我是卧底，来自外星)

2004/10/24 | 高空闪电（红色精灵）[Red Sprite]
类别(¤〖天文〗) | 评论(0) | 阅读(49) | 发表于 17:14: High-altitude flashes excited by lightning which occur between the tops of some thunder clouds and the ionosphere, first reported by Franz et al. (1990). They are barely visible to the unaided eye, but can be observed electronically in the mesosphere at altitudes of 65-75 km. Red Sprites coincide with cloud lightning strokes and persist for only a few milliseconds. The mechanism for generating red sprites is currently not well understood.; 0