Yiyun, the heavens reveal signs of fortune and misfortune.
This means that the natural signs can foretell omens of good and bad luck.
Fire meteors are a very typical celestial phenomenon.
In the "River Diagram," it is mentioned, 'All meteors are the essence of the Gucheng, and they are the chariots of Tianyi. Meteors as large as jars or tanks travel unseen, named flying stars. If their streaks mark the sky, they are called meteors' — In short, those descending from above are called meteors, and those ascending from below are called flying stars — the famous ancient astrologer Meng Kangzi said, 'Meteors, lights linked together, as large as melons or peaches, are called mission stars or flying stars, they preside over plotting. Meteors preside over military affairs, and mission stars preside over actions, judged by the constellation they pass.'
If you don't have a clear concept of the above somewhat obscure descriptions, just remember one sentence —
