IRIS focuses on the lower regions of the sun’s atmosphere, while the SDO
imagery shows a region that is hotter and typically slightly above that.
It is only by comparing the two movies that one can figure out what’s happening at the lower temperatures – likely to be in the lower atmosphere – versus what is happening higher up.
Watch:
https://www.youtube.com/watch?v=iBmwcWGuD-I
Credit:
NASA/LMSAL/Wiessinger
It is only by comparing the two movies that one can figure out what’s happening at the lower temperatures – likely to be in the lower atmosphere – versus what is happening higher up.
Watch:
https://www.youtube.com/watch?v=iBmwcWGuD-I
Credit:
NASA/LMSAL/Wiessinger
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