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Discovery of the first radiation belt beyond the Solar System

Since the late 1950s, we have been aware of the existence of radiation belts around Earth and Jupiter. A radiation belt is a doughnut-shaped region around an object created by its magnetic field. Charged particles (mainly electrons, but not exclusively) are trapped in this region... click to read more

exoplanet
magnetic field
brown dwarf
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published on Jan 27, 2025