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China Astronomers Date Early Sunspot Observation
May 10 28 BC
Description
A sunspot is observed by Han Dynasty astronomers during the reign of Emperor Cheng of Han, one of the earliest dated sunspot observations in China.
Location
References
Emperor Cheng of Han
Chinese astronomy
Han Dynasty
Science and technology of the Han Dynasty
Sunspot
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Created By:
johnny
Created On:
2015-04-30T22:51:59Z
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