Counting Sunspots Leif Svalgaard Project ASTRO Aug. 3,

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Date: 2013-08-04 02:12:23 Space Universe Wolf number Sunspot Matter		Counting Sunspots Leif Svalgaard Project ASTRO Aug. 3, Add to Reading List Source URL: www.leif.org Download Document from Source Website File Size: 792,38 KB Share Document on Facebook