Mystery solved! Odd X-ray signal was 'death knell' of planet destroyed by zombie star (video)

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An X-ray signal that has puzzled scientists for 45 years was the "death knell" of a planet ripped apart by a white dwarf star, data from NASA's Chandra observatory has revealed.

Mystery solved! Odd X-ray signal was 'death knell' of planet destroyed by zombie star (video) : Read more