Earth-size 'diamond' in space: Remarkable white dwarf star possibly coldest, dimmest ever detec

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Astronomers have identified possibly the coldest, faintest white dwarf star ever detected. This ancient stellar remnant is so cool that its carbon has crystallized, forming -- in effect -- an Earth-size diamond in space. The object in this new study is likely the same age as the Milky Way, approximately 11 billion years old.

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Science Daily

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Astronomers have identified a distant white dwarf star so dim and cool that its carbon has actually crystallized, forming what is essentially a giant diamond the size of Earth. “It’s a really remarkable object,” said David Kaplan, a professor at the ...

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