Astronomers have discovered a new type of star – a 'magnetic monster' that will one day explode to become a rare 'magnetar'. Called HD 45166, the star is rich in helium and located about 3,000 light-years away from Earth in the constellation Monoceros. But what makes it really special is it's the only massive helium star astronomers have ever observed that has a magnetic field – and a powerful one at that.
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