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Nature 431, 1047-1048 (28 October 2004) | doi:10.1038/4311047a; Published online 27 October 2004
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Solar physics: Spots from rings
Paula J. Reimer1
Abstract
An ingeniously constructed record of sunspot activity shows that the current episode is the most intense for several thousand years. But that does not let us off the anthropogenic hook of global warming.
Dark spots or 'blemishes' on the face of the Sun (Fig. 1) were recognized from the early seventeenth century, and have since been identified as places where strong magnetic fields emerge from the Sun's surface.
- Paula J. Reimer is at the 14CHRONO Centre for Climate, the Environment and Chronology, Queen's University Belfast, Belfast BT9 6AX, UK.
Email: p.j.reimer@qub.ac.uk
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