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- Search Terms:ISSN: 00280836AndISSN: 14764687AndVolume Number: 493AndIssue Number: 7434AndStart Page: 613AndDate: 2013 Revise Search
- 1From: Nature. (Vol. 493, Issue 7434) Peer-ReviewedRight to the end of his life, the Swiss astronomer Rudolf Wolf (1816-93) sought to establish a causal link between the 11-year cycle of the number of dark patches on the Sun (sunspots) and planetary motions. Through his...
- 2From: Nature. (Vol. 493, Issue 7434) Peer-ReviewedThe Sun's magnetic activity varies cyclically over a period of about 11 years. An analysis of a new, temporally extended proxy record of this activity hints at a possible planetary influence on the amplitude of the...