Portal:History of science/Picture/4
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1675 image of a Chinese astronomer with an elaborate armillary sphere. In the 17th century, Chinese astronomers collaborated extensively with Jesuit scholars, who brought the Copernican and Tychonic systems from Europe.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Utagawa_Kuniyoshi%2C_Portrait_of_Chicasei_Goy%C3%B4_%28Wu_Yong%29_%281827%E2%80%931830%29.jpg/640px-Utagawa_Kuniyoshi%2C_Portrait_of_Chicasei_Goy%C3%B4_%28Wu_Yong%29_%281827%E2%80%931830%29.jpg)