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Author: WikiMatrix
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English[en]
He also improved the designs of astronomical instruments such as the widened astronomical sighting tube, which allowed Shen Kuo to fix the position of the pole star (which had shifted over centuries of time).
Indonesian[id]
Shen juga memperbaiki rancangan alat astronomi seperti tabung pengamatan yang memampukan Shen Kuo untuk memperbaiki posisi bintang kutub (yang telah bergeser).