SDO/AIA: Flare Today in 171 Å 9.7.2022 • The Atmospheric Imaging Assembly on NASA's Solar Dynamics Observatory (SDO) captured this view of the flare in the Sun's southern (SSW) hemisphere today and yesterday over a period of approcimately 19 hours The image shows the Sun as viewed at 171 Angstroms (Å). Ultraviolet wavelengths help solar physicists study the fine magnetic structures in the Sun's super-heated atmosphere, or corona. • SDO AIA 171 Angstrom AIA 171 Å - Solar Region: Upper Transition
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• SDO Images Plasma in 171 Å • • On the 1st of December 2025, a solar active region that just rotated into view of SDO offered a beautiful profile view of cascading loops spiralling above it following a small solar flare eruption. These structures are made of superheated plasma, just one of which is the size of several Earths. With its ability to capture the Sun in amazing detail, SDO observed it all in extreme ultraviolet light in 171 Å. (Angstroms). • Credit: NASA/SDO/AIA • | Astronomy Nation
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• SDO Images Plasma in 171 Å • • On the 1st of December 2025, a solar …
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