Complex dynamics: This illustration depicts the Sun's magnetic fields overlaid on an image captured by NASA’s Solar Dynamics Observatory. The complex overlay of lines can teach scientists about the ways the Sun's magnetism changes in response to the constant movement on and inside the Sun. (Courtesy: NASA/SDO/AIA/LMSAL)
A new mathematical model indicates that the Sun’s magnetic field originates just 20,000 miles belo
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Isabelle Dumé
is a contributing editor to Physics World