We have measured solar surface rotation from sunspot drawings made in A.D. 1642-1644 and find probable differences from present-day rates. The 17th century sunspots rotated faster near the equator by 3 or 4%, and the differential rotation between 0 and :t:20 ~ latitude was enhanced by about a factor
β¦ LIBER β¦
Aurora borealis lag during the Maunder minimum
β Scribed by Ludwig Schlamminger
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 418 KB
- Volume
- 131
- Category
- Article
- ISSN
- 0038-0938
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