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Space
Space
Science
Robert Lea

Fast-spinning white dwarf pulsar, the 2nd we've ever discovered, sheds light on how stars evolve

Earth Sun
Artist's illustration of white dwarf pulsar.

Astronomers have discovered what is only the second example of a white dwarf pulsar. 

The rare stellar remnant is spinning rapidly, and as it does so, it lashes powerful beams of electrical particles and radiation at a red dwarf companion star causing the whole system to dramatically fade and brighten over regular periods.

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