Space on MSN7mon
Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds
This would have resulted in the formation of an around 0.62-mile (1 km) thick diamond layer that then continued to grow over ...
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Scientists think there's a 10-mile-thick layer of diamond beneath the surface of Mercury, which would make you around 876 billion Minecraft pickaxes if my math is right
A 10-mile-thick layer of diamond, to be specific. Those patches of graphite I mentioned have led scientists to theorize that in Mercury's early history, it was host to an ocean of molten carbon ...