White dwarf lashes red dwarf with mystery ray
6 months ago Comments Off on White dwarf lashes red dwarf with mystery ray
Astronomers have discovered a new type of exotic binary star: in the system AR Scorpii a rapidly spinning white dwarf star is powering electrons up to almost the speed of light. These high energy particles release blasts of radiation that lash the companion red dwarf star, and cause the entire system to pulse dramatically every 1.97 minutes with radiation ranging from the ultraviolet to radio.
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