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Yu Xi
4th century Chinese astronomer and writer · Scientists · Lived 281 to 356 · aged 75
Yu Xi, courtesy name Zhongning (仲寧), was a Chinese astronomer, politician, and writer of the Jin dynasty. He is best known for his discovery of the precession of the equinoxes, independently of the earlier ancient Greek astronomer Hipparchus.
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Yu Xi is read about 9 times a day, in 5 languages.
A typical day, 30 days to 24 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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He also postulated that the Earth could be spherical in shape instead of being flat and square, long before the idea became widely accepted in Chinese science with the advances in circumnavigation by Europeans from the 16th-20th centuries, especially with their arrival into the capital's imperial court in the 17th century.
Text from Wikipedia, CC BY-SA 4.0