The origin of the magnetic field covering the Sun has been discovered

The magnetic field that covers the sun and determines its behavior -the eleven year cycles no less than such conspicuous phenomena as solar spots and solar storms- also has another side to it: a magnetic web that covers the entire surface of the sun at rest and whose net magnetic flow is greater than that of the active areas. A study led by the Institute of Astrophysics of Andalusia (IAA-CSIC) has revealed where the flow that feeds this web comes from.