What was the name of the ancient astrologer?

Yao appointed two officials, Xihe and Hehe, and Xihe should be the celestial official.

In the Romance of the Gods, Shang Yang's official position is "the official in charge of the rooftop". He watched the stars the night before and went to communicate with Shang Zhouwang the next day, which disturbed Zhou Wang's interest and was locked up. Later, he was the first to try the punishment of artillery.

The Zhou Dynasty set up a "celestial official" and was also responsible for counting the stars.

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