Yu Xi, Chinese astronomer (c. 270-345), known for discovering the earth's precession

• yúxǐshìzhōngguógǔdàizhùmíngdetiānwénxuéjiā.

  虞喜是中国古代著名的天文学家。🔊

  Yu Xi was a renowned astronomer in ancient China.

Yu Xi, Chinese astronomer (c. 270-345), known for discovering the earth's precession

• yúxǐshìzhōngguógǔdàizhùmíngdetiānwénxuéjiā.

  虞喜是中国古代著名的天文学家。🔊

  Yu Xi was a renowned astronomer in ancient China.