Tag Archives: Solar activity

Explore the Sun with Helioviewer

Posted on June 9, 2011 by James

As you might have seen elsewhere, there was a spectacular solar flare on June 7 caught on camera by NASA’s Solar Dynamics Observatory (SDO). Unusually for such a powerful event, the ejected material fell back onto the surface of the … Continue reading →

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Increasing solar activity

Posted on April 2, 2011 by James

NASA has published this remarkable side by side video comparison of solar activity in 2008 and 2011. Ignore the obvious – the sun didn’t change colour. The earlier captures were from the SoHo spacecraft,  the latter the Solar Dynamics Observatory. … Continue reading →

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