《汉书·志·五行志下之下》
严公七年 四月辛卯夜，恒星不见，半夜星像雨一样坠落到地上 。
严公七年 四月辛卯夜，恒星不见，夜中星陨如雨 。
In the fourth year of Emperor Yan's reign, at night on the Xin Mao, the fixed stars disappeared, and at midnight the stars fell to the ground like rain.