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公元1581～1670年是地球上自然灾害最为频繁的时段之一。本文分析了在这90年中发生的几种主要自然灾害的特征和成因,认为除了地球本身的内部因素外,地外空间因素首推太阳活动,其次是月球和行星相互位置的影响。
Year 1581 ~ 1670 is one of the most frequent periods of natural disasters on Earth. This paper analyzes the characteristics and causes of several major natural disasters occurring in the past 90 years. It considers that in addition to the intrinsic factors of the Earth itself, the extraterrestrial space factor emphasizes the solar activity, followed by the mutual influence of the moon and the planet.