Quickly Developing Sunspot
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Quickly Developing Sunspot

April 22, 2014
This sunspot (AR2036) was barely visible three days ago and now it is about three or four times the size of Earth: that is a very impressive progression. This close-up video captures the action from SDO (Apr. 14-16, 2014) for about 2.5 days. Let's see if it produces any major solar storms.

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