NASA’s Goddard Space Flight Center’s visualization studio made an amazing video of Sun using a gradient filter which highlighted the details of the sun’s complex magnetic fields. Gradient filter helps researchers in better understanding how solar activity affects space weather. Scientists use gradient filters to study a phenomenon known as coronal loops – giant arcs of solar material constrained to travel along that particular path by the magnetic fields in the sun’s atmosphere. Magnetic fields can power great eruptions on the Sun such as solar flares or coronal mass ejections.
This video is in public domain and can be downloaded here.
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