Study: Carbon-rich Planets Could Be Made of Diamonds – VOA Learning English

Scientists say they have discovered evidence that some planets in the universe could be made of diamonds.
The research centered on exoplanets, planets that orbit a star outside Earths solar system.
Arizona State University led the team of researchers. They say some carbon-rich exoplanets likely have the right conditions to hold high levels of diamond. Some of the planets could also be made of silica, a mineral found on Earth in forms such as sand and quartz.
These exoplanets are unlike anythi…

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