Sunspot of May 10, 28 BCE (nonfiction)

The Sunspot of May 10, 28 BCE was a sunspot (nonfiction) observed and documented during the Han dynasty in China.

It is among the first documented sunspots.

Description

Han shu : Wuxing zhi: zia ch. 27:

Emperor Cheng of Han, first year of the Heping reign period, third month .... At sunrise the Sun was yellow. There was a black vapor as large as a coin at its center.

Source: East-Asian Archaeoastronomy: Historical Records of Astronomical Observations By Zhenoao Xu, W. Pankenier, Yaotiao Jiang @ books.google.com

Nonfiction cross-reference

• Sunspot (nonfiction)

Fiction cross-reference

• 

  The Grievous Mitochondria pleasure barge.

• Grievous Mitochondria
• Sunspotter

External links

• Sunspot of May 10, 28 BCE @ wiki.karljones.com
• 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