"Comet hits moon" and "mistbow penetration day" each represent what astrology

Comet, commonly known as comets, comets hit on the light of the comet sweeps across the moon, according to the superstition is a symptom of a major disaster.Such as "tang in act", "husband is the thorn Wang Liao also, comet hits moon."

"Rainbow" is actually "halo", atmospheric optical phenomenon.The emergence of this phenomenon is often the weather is going to change the warning, but the ancient natural phenomena as a harbinger of abnormal events is going to happen in the world.Such as "tang in act" : "NieZheng of Korea after also, mistbow penetration."