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Spörer minimum |
Also found in: Wikipedia | 0.03 sec. |
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Spörer minimum [′spər·ər ′min·ə·məm] (astronomy) A period of low sunspot activity that occurred between 1420 and 1570. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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