Stellar magnetism

Artist's impression of space weather around the dwarf star M TIC 141146667. The torus of ionized gas is shaped by the star's magnetic field and rotation, with two dense, tightly packed clumps on opposite sides of the star. Credit: Illustration by Navid Marvi, Carnegie Science

Natural space weather stations may help understand what makes planets habitable

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Cold plasma torus around young red dwarfs causes periodic dimming – providing a “space weather station” to measure particles and magnetic fields from afar
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