Solar and auroral evidence for an intense recurrent geomagnetic storm during December in AD 1128
The earliest known drawing of sunspots appears in <i>The Chronicle of John of Worceste</i>r, which was compiled in the first half of the twelfth century. In this medieval chronicle, the Latin text describing the sunspots is accompanied by a colourful drawing, albeit idealised, which...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2001-03-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/19/289/2001/angeo-19-289-2001.pdf |