55-cancri-e-diamond-planet

An illustration of the planet 55 Cancri e's interior. A molten iron core at its center, an outer layer of graphite, and an interior of diamond. [Image Credit: space.com and Haven Giguerre]

An illustration of the planet 55 Cancri e’s interior. A molten iron core at its center, an outer layer of graphite, and an interior of diamond. [Image Credit: space.com and Haven Giguerre]