A limestone cavern with the 700,000-year-old “Petralona skull,” traces of Neanderthals, Ice Age animals, and stalactite “fangs.” A time capsule of deep prehistory.
A limestone cavern with the 700,000-year-old “Petralona skull,” traces of Neanderthals, Ice Age animals, and stalactite “fangs.” A time capsule of deep prehistory.
At the core–mantle boundary, some of this heat escapes as light (photons).
As it rises, crystals in the lower mantle absorb the red glow and scatter the rest, slowing its path.
This is called radiative heat transfer.
At the core–mantle boundary, some of this heat escapes as light (photons).
As it rises, crystals in the lower mantle absorb the red glow and scatter the rest, slowing its path.
This is called radiative heat transfer.