Contaminated white dwarfs: Scientists solve riddle of celestial archaeology

A decades old space mystery has been solved by an international team of astronomers. The team put forward a new theory for how collapsed stars become polluted — that points to the ominous fate that awaits planet Earth. Scientists investigated hot, young, white dwarfs — the super-dense remains of Sun-like stars that ran out of fuel and collapsed to about the size of the Earth.

from Space & Time News — ScienceDaily

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