《晋书·志·第八章》
白天地开辟，清浊刚分开时，太阳、月亮、五大行星相聚于星纪。
曩自开辟，清浊始分，则日月五星聚于星纪。
When the world was created and the clear and turbid just separated, the sun, moon, and the five planets gathered in Xingji.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 曩自开辟，清浊始分，则日月五星聚于星纪。 [/INST] When the world was created and the clear and turbid just separated, the sun, moon, and the five planets gathered in Xingji.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 曩自开辟，清浊始分，则日月五星聚于星纪。
user
When the world was created and the clear and turbid just separated, the sun, moon, and the five planets gathered in Xingji.
assistant