Astronomers have identified the coldest dwarf star ever detected, and scientists are calling it a "diamond in space."
Phys.org reports that the Earth-sized star "is so cool that its carbon has crystallized," creating the diamond-like effect. "It's a really remarkable object," David Kaplan, a professor at the University of Wisconsin-Milwaukee who found the star, told Phys.org. "These things should be out there, but because they are so dim, they are very hard to find."
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