Evidence for a sunspot in A.D. 939 in an Arabian Source
Evidence for a sunspot in A.D. 939 in an Arabian Source
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阿拉伯资料中公元 939 年太阳黑子的证据
DOI:
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发表时间:
2002
期刊:
影响因子:
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通讯作者:
M. C. Gallego
中科院分区:
文献类型:
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作者:
J. Vaquero;M. C. Gallego
It is the purpose of this paper to present evidence concerning the appearance of a sunspot in A.D. 939 observed by Arabs from the Iberian Peninsula. The sunspot record appears in the Arab source known as al-Muqtabis V.