Xi Zezong

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Xi Zezong
Traditional Chinese席澤宗
Simplified Chinese席泽宗

Xi Zezong (June 6, 1927, Yuanqu, Shanxi – December 27, 2008, Beijing) was a Chinese astronomer, historian, and translator.[1][2] He is best known for finding in ancient Chinese history a reference to Ganymede being visible to the human eye by ancient astronomer Gan De, before it was officially recognised by the West. He was a member of the Chinese Academy of Sciences, and an Awardee of the Astronomy Prize.


Asteroid 85472 Xizezong, discovered by the Beijing Schmidt CCD Asteroid Program in 1997, was named in his honor.[3] The official naming citation was published by the Minor Planet Center on April 2, 2007 (M.P.C. 59388).[4]


  1. ^ "In Memoriam: Xi Zezong". Newsletter of the History of Science Society. April 2009. Archived from the original on August 23, 2011. Retrieved October 20, 2011.
  2. ^ "Science historian XI Zezong, 81, passes away". Retrieved October 20, 2011.
  3. ^ "(85472) Xizezong = 1997 LF4 = 2000 EJ21". Minor Planet Center. Retrieved January 20, 2020.
  4. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved January 20, 2020.

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