A thick layer of diamonds could also be hidden tons of of kilometres beneath the floor of Mercury, in keeping with an experiment recreating early circumstances on the photo voltaic system’s smallest planet.

We already know that Mercury is wealthy in carbon, the component that makes up diamonds, because of observations by NASA’s Messenger orbiter, which revealed a floor coated in graphite.  This carbon is prone to be unfold all through the planet’s inside, the place its actual kind will rely on the temperature and stress at every location.…