| 1. | Blame sunspots or planetary alignment, computer gremlins or human error.
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| 2. | As sunspots increase, the sun grows more and more active.
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| 3. | Sunspot paid $ 17.40 and $ 7.40.
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| 4. | The same physical effect renders sunspots apparently dark in the photosphere.
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| 5. | George Ellery Hale first linked magnetic fields and sunspots in 1908.
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| 6. | He is noted for his studies of sunspots and sunspot cycles.
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| 7. | He is noted for his studies of sunspots and sunspot cycles.
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| 8. | They suggest dates for the sunspot minimum of 1400-1510.
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| 9. | Some scientists also theorize links between sunspot activity and ice ages.
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| 10. | This also demonstrated that magnetic fields were instrumental in sunspot activity.
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