IRIS Movie of the Day
At least once a week a movie of the Sun taken by NASA's Interface Region Imaging Spectrograph (IRIS) is posted by one of the scientists operating the instrument.
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15 Mar 2024
Powerful flare at the limb
Credit: IRIS, LMSAL/NASA, Tiago Pereira
As we approach solar maximum, activity has been on the rise and the past few weeks saw many large solar flares. On 16 Feb 2024, IRIS observed an X-class flare (the strongest class in the scale) near the solar limb. This is noticeable by a very large brightening and very hot magnetic loops