Som ET - 81 - Sun - The Active Christmas Eve 2023 Ultraviolet Sun

This view of the Sun, through the SDO/AIA 304 angstrom filter, reveals the upper chromosphere and prominences, especially off the solar limb. This filter corresponds to emission from helium atoms that have lost one electron (He II). NASA Images: https://svs.gsfc.nasa.gov/vis/a000000/a005200/a005210/frames/4096x4096_1x1_30p/AIA304-Frames.PSF/ Audio: Som ET - 81 - Sun Credit: NASA's Scientific Visualization Studio and Alexander G. Kosovichev #sun #solar #sol #NASA #science #star #sdo