View Full Version : Just How Active is our Sun Now Compared to Two Years Ago?

2011-Apr-05, 02:00 PM
This video provided by the Solar Dynamics Observatory provides a side-by-side comparison of the Sun from precisely two years ago (left, from SOHO in 2009) to the present (right, from Solar Dynamics Observatory, showing March 27-28, 2011) which dramatically illustrates just how active the Sun has become. The comparisons shown in two similar wavelengths of [...]

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