《西游记》第六回,有这样一个细节:齐天大圣孙悟空反下天宫后,观音菩萨的弟子奉命助阵,“早有虚日鼠、昴(mǎo)日鸡、星日马、房日兔,将言传到中军帐下”。那么,这鼠、鸡、马、兔是何方神圣呢?为什么会取这样的名字呢?这要从天上的星宿说起。原来,两千五百年前,先民们抬头望天,对浩瀚的星空充满了好奇。他们发现,天上的星星随着运动,可以分出四大星野来。春末夏初时,东方出现的星星犹如飞舞的巨龙,故称为 “Journey to the West,” the sixth time, there is such a detail: Monkey King Monkey King after the next Temple, Guanyin Bodhisattva disciples were ordered to help out, "long days of virtual mouse, Pleiadis, Japanese horse, room Japanese Rabbit, will spread the word to the Army account. So why are these rats, chickens, horses, rabbits sacred? Why do we take such names? It turned out that two thousand five hundred years ago, the ancestors looked up to the vast sky full of curiosity. They found that, with the movement of the stars in the sky, they can separate the four major Hoshino. The late spring and early summer, the stars appear in the East like flying dragon, so called