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| First Page | Document Content | |
|---|---|---|
 Date: 2012-04-14 12:55:59Physics Rudolf Wolf William Otto Brunner Space Sun Astronomy Wolf number Sunspot |
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| First Page | Document Content | |
|---|---|---|
Date: 2012-04-14 12:55:59Physics Rudolf Wolf William Otto Brunner Space Sun Astronomy Wolf number Sunspot |
Add to Reading List |
What is Wrong with the Group Sunspot Number and How to Fix it Leif Svalgaard Stanford University (with help from many people)