Sunspot of May 10, 28 BCE
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The Sunspot of May 10, 28 BCE was a sunspot observed and documented during the Han dynasty in China.
It is among the first documented sunspots.
See also
External links
- Science and technology of the Han dynasty @ Wikipedia
- East-Asian Archaeoastronomy: Historical Records of Astronomical Observations By Zhenoao Xu, W. Pankenier, Yaotiao Jiang @ books.google.com
