《宋书·志·卷二十三》
九年三月，又有长六尺、色青而白、光芒西南指向的彗星出现于昴宿。
九年三月，又见昴，长六尺，色青白，芒西南指。
On March of the 9th year, there was another comet as long as 6 feet, green and white, and shining to the southwest direction, appearing at the stars of Mao.
<s>[INST] Kindly elucidate the central themes in this passage in English: 九年三月，又见昴，长六尺，色青白，芒西南指。 [/INST] On March of the 9th year, there was another comet as long as 6 feet, green and white, and shining to the southwest direction, appearing at the stars of Mao.</s>
Kindly elucidate the central themes in this passage in English: 九年三月，又见昴，长六尺，色青白，芒西南指。
user
On March of the 9th year, there was another comet as long as 6 feet, green and white, and shining to the southwest direction, appearing at the stars of Mao.
assistant