Solar prominences hover above the visible solar disk like giant clouds, held there by a supporting framework of magnetic forces, originating from layers deep within the Sun. The magnetic lines of force are moved by ever-present gas currents—and when the supporting framework moves, so does the prominence cloud. A research team from the University of Göttingen and the astrophysics institutes at Paris, Potsdam and Locarno observed how magnetic forces lifted a prominence by 25,000 kilometers—about two Earth diameters—within ten minutes. The results of the study were published in The Astrophysical Journal.
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Source: Phys.org