Study Identifies Plasma Formation as a Pseudostreamer ()

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NDTV Tech
· 1 week ago
Study Identifies Plasma Formation as a Pseudostreamer

ESA’s Solar Orbiter recorded a giant plasma structure extending millions of kilometres from the Sun’s surface. The footage, taken on October 12, 2022, shows a swirling motion in the solar wind, a phenomenon never observed before. Scientists identified the formation as a pseudostreamer caused by a solar flare near the Sun’s north pole. The plasma structure lasted three hours, displaying Alfvénic fluctuations driven by magnetic disturbances. The video also revealed bright streaks, later confirmed as distant stars. With solar activity intensifying, researchers expect more extreme solar winds in the coming years.

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