摘要
日月食的发生尽管并不常见。却有着严格的规律.天文学家可以对之做出长期、准确的预报。本文将对各类日食、月食的发生规律及有关天文知识作一简要介绍以飨公众。
There are some basic laws, on which the happening of the solar or lunar eclipses are dependent and their accurate predictions over a very long period of time can be made by astronomers.
出处
《自然杂志》
北大核心
2008年第3期151-152,153-155,共5页
Chinese Journal of Nature
关键词
日食
月食
沙罗周期
solar eclipse, lunar eclipse, Saros cycle