![]() All the planets in our solar system that have such magnetic fields, including Earth, as well as Jupiter and the other giant planets, have radiation belts consisting of these high-energy charged particles trapped by the planet's magnetic field.Įarth's radiation belts, known as the Van Allen belts, are large donut-shaped zones of high-energy particles captured from solar winds by the magnetic field. Strong magnetic fields form a " magnetic bubble" around a planet called a magnetosphere, which can trap and accelerate particles to near the speed of light. That has never been done before for something the size of a gas giant planet outside of our solar system," said Melodie Kao, a postdoctoral fellow at UC Santa Cruz and first author of a paper on the new findings published May 15 in Nature. ![]() ![]() ![]() "We are actually imaging the magnetosphere of our target by observing the radio-emitting plasma-its radiation belt-in the magnetosphere. ![]()
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