HomeAstronomy'Zombie' star caught snacking on dead planet's remains

‘Zombie’ star caught snacking on dead planet’s remains

Distant X-rays may be the most direct evidence yet of the remains of a disintegrated planet colliding with the corpse of a star, a new study finds.

White dwarfs are the cool, dim cores of dead stars that are left behind after average-size stars have exhausted their fuel and shed their outer layers. They are usually about the size of Earth, and our sun will one day become a white dwarf, as will about 97% of all stars.

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