A transient luminous event consisting of a luminous disc seen above a thunderstorm, lasting about 0.001 seconds, that propagates downward from a height of about 85 km to about 70 km, often preceding a red sprite.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。