White dwarfs are 'heavy metal' zombie stars endlessly cannibalizing their dead planetary systems
Zombie white dwarf stars keep their heavy metal exteriors fresh by constantly cannibalizing any smaller objects in their dead planetary systems, like comets and asteroids, that get in their way.
TroibNews 
Zombie white dwarf stars keep their heavy metal exteriors fresh by constantly cannibalizing any smaller objects in their dead planetary systems, like comets and asteroids, that get in their way.
