The meaning of identification of ancient comets is summarized: it is useful to study a long-term evolution of short- period comets and chronology.

 
  • 总结了 古代彗星证认的意义:一是有助于短周期彗星长期演化的研究,二是有助于历史年代的 确定。
今日热词
目录 附录 查词历史