Radiative Zone
Astronomy
A layer of the Sun lying between the core and convection zone where energy travels outward through the slow radiation, absorption, and re-radiation of energy by tightly packed atoms.
- — NASA Helioviewer.org Visual Glossary retrieved 2014-05-26
In the radiative zone, energy from the core slowly travels outward. This region is so dense that the Sun's energy takes about 150,000 years to work its way through.
- — Space Weather Center Glossary of Space Weather-Related Terms retrieved 2014-05-26