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Universe May Hold Diamond Concentrations

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Our galaxy may contain high concentrations of tiny diamonds in carbon-rich planetary nebulae. That's the finding of a group of researchers from the Institut d'Astrophysique Spatiale in Paris. The group theorized that the low pressures and temperatures inside the nebula give birth to diamonds. Conversely, it is high temperatures and pressure that foster diamond growth on Earth. The difference may lie in the presence of a tiny molecule called adamantane that serves as a precursor for diamonds on Earth and may be present in late-stage stars. The group concedes, however, that these findings...Read full article

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    Published: February 1999
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