Multi-wavelength extreme ultraviolet image, Solar Dynamics Observatory, showing the sun's northern hemisphere in mid-eruption. Different colors in the image represent different gas temperatures. . . . On August 1, 2010, almost the entire Earth-facing side of the sun erupted in activity, including: a C3-class solar flare (white area, upper left), a solar tsunami (wave-like structure, upper right), multiple filaments of magnetism lifting off the stellar surface, large-scale shaking of the solar corona, radio bursts, and a coronal mass ejection. Earth's magnetic field is still reverberating from the solar flare impact on August 3, 2010, which caused aurorae as far south as Wisconsin and Iowa in the United States. Analysts believe a second solar flare is following behind the first flare and could re-energize the fading geomagnetic storm and spark a new round of Northern Lights.
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