Some 1,200 light-years from Earth, an international team of astronomers has discovered an ultra-hot magnetosphere, or magnetic field, surrounding a sun-like star.

The star, dubbed GALEXJ014636.8+323615, is a white dwarf, the dense core of a dead star.

“White dwarfs are the remnants of about 95 percent of all stars, so pretty much every star in our universe will end up as a white dwarf at the end of its life,” study leader Nicole Reindl, a researcher at the University of Leicester, said in an email.

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