Today in Astronomy 142 - Astro Pas Rochester

Today in Astronomy 142 - Astro Pas Rochester Today in Astronomy 142 - Astro Pas Rochester

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10.07.2015 Views

Sunspot progress, activity during solar cycleFigure:Chaisson andMcMillan,AstronomyTodayAstronomy 142 20

The 11-year sunspot cycleThe first sunspots in a cycle form near ±30° latitude, and thelast near the equator, producing the “butterfly diagram.”David Hathaway, NASA/MSFCAstronomy 142 21

Sunspot progress, activity dur<strong>in</strong>g solar cycleFigure:Chaisson andMcMillan,<strong><strong>Astro</strong>nomy</strong><strong>Today</strong><strong><strong>Astro</strong>nomy</strong> <strong>142</strong> 20

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