Astronomers have discovered a giant bulge in the Sun. In this respect informs NASA astronomer Tamita Skov on Twitter.
The message says, “Let’s talk about the polar vortex.” “Material from the northern bulge has just broken off from the main body and is now swirling around our star’s north pole in a great polar vortex.”
The bulges are blasts of relatively cold gas held above the star’s surface by a magnetic field. How declaration According to Space.com, astronomer Scott McIntosh has never seen such a large bulge, but there’s nothing surprising in its formation. Astronomers have long noticed that at 55 degrees north latitude from the Sun, a bulge appears and moves toward the pole every 11-year solar cycle. Astronomers suspect that this is somehow related to the change in the direction of the Sun’s magnetic field lines, but they do not understand the exact cause of such events. Pictures of this bulge were taken by NASA’s orbiting Solar Dynamics Observatory.
The Sun’s polar regions play an important role in the formation of the star’s magnetic field, which determines its 11-year cycle of activity. At the same time, the Sun’s poles are inaccessible for direct observation: Earth, other planets, and spacecraft revolve around the star almost parallel to the equator.
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