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第7太陽週期

太陽和一些可見的黑子。

第7太陽週期是從1755年開始紀錄太陽黑子活動以來的第7個太陽週期 [1][2]。這個週期開始於1823年5月,結束於1833年11月,持續了10.5年。在這個週期內的最大平滑黑子數(超過12個月期間的黑子月平均數值)為71.5,最小的數值為7.3[3]

相關條目

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參考資料

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  1. ^ Kane, R.P. (2002). "Some Implications Using the Group Sunspot Number Reconstruction Archive.is存檔,存档日期2012-12-04". Solar Physics 205(2), 383-401.
  2. ^ The Sun: Did You Say the Sun Has Spots?. Space Today Online. [12 August 2010]. (原始内容存档于2017-07-22). 
  3. ^ SIDC Monthly Smoothed Sunspot Number. "[1]页面存档备份,存于互联网档案馆)"
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第7太陽週期
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