Europa is constantly bombarded by intense radiation created by Jupiter’s magnetic field
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Can someone explain how a magnetic field creates radiation?
I does not create radiation, but:
Jupiter’s particle radiation field is 20,000 times larger than Earth’s Van Allen belts, and 1,000 times more intense than Saturn’s. The collosal planet rotates once every 10 hours (a Jupiter day). Jupiter pulls its magnetic field right along with it. The magnetic field hauls charged particles around Jupiter at blistering speed. And Europa orbits Jupiter in the heart of that torrent of particles.
Jupiter’s magnetic field is the largest and most intense in the solar system, aside from the Sun. Its magnetotail sometimes reaches Saturn’s orbit. The magnetic field traps electrons and protons – charged particles. Europa Clipper’s radiation monitors will study those particles.
https://europa.nasa.gov/spacecraft/instruments/radiation-monitoring-study/
The radiation is charged particles (protons and electrons) whipped to high energies by the planet's and magnetic field's rotation. Some particles that are trapped by the magnetic field come from the planet itself or the solar wind.
The source of most of the particles is the moon Io, which dumps massive amounts sulphur dioxide into space. The molecules break up in space into more charged particles.