English: The solar cycle, as seen in variations of the sunspot number index. Three historical reconstruction are shown, namely the monthly sunspot number (orange), and yearly sunspot number (red), and, from 1610 to 1750, the Group sunspot number (green), generally deemed a more reliable reconstruction over this time interval.
日期
2007年5月31日 (原始上傳日期)
來源
原始上傳者自己的作品
作者
Paul Charbonneau (Paulchar), Physics Dept. Universite de Montreal; generated from publicly available data (http://sidc.oma.be). 如下。
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The original description page was here. All following user names refer to zh.wikipedia.
2007-06-10 06:18 凌雲 800×400× (18143 bytes) The solar cycle, as seen in variations of the sunspot number index. Three historical reconstruction are shown, namely the monthly sunspot number (orange), and yearly sunspot number (red), and, from 1610 to 1750, the Group sunspot number (green), generally
The original description page was here. All following user names refer to en.wikipedia.
2008-07-30 09:00 Slashme 800×400× (18359 bytes) Give white background, change green to blue.
2007-05-31 13:22 Paulchar 800×400× (18143 bytes) Author: Paul Charbonneau, Physics Dept. Universite de Montreal; generated from publicly available data (http://sidc.oma.be).