View Full Version : A Shimmering, Simmering Sunspot

2012-Jul-12, 05:50 AM
This quick animation made by astrophotographer Alan Friedman shows a 30-minute view of sunspot 1520, a large region of magnetic activity on the Sun that’s currently aimed directly at Earth. Although 1520 has been quiet for the past couple of days, it’s loaded with a delta-class magnetic field — just right for launching powerful X-class [...]

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