Solar magnetism


Scientists sketch the contours of the Sun’s magnetic field.


The Sun’s magnetic field on August 10, 2018.
The Sun’s magnetic field on August 10, 2018.
NASA/GSFC/Solar Dynamics Observatory

NASA's Solar Dynamics Observatory (SDO) scientists used their computer models to generate a view of the Sun's magnetic field on August 10, 2018. The bright active region right at the central area of the Sun clearly shows a concentration of field lines, as well as the small active region at the Sun's right edge, but to a lesser extent. Magnetism drives the dynamic activity near the Sun's surface.

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