radiative zone


radiative zone

n. An interior layer of a star through which energy is transported outward by absorption and re-radiation of photons originating in the hot stellar core.

ra·di·a·tive zone

(rā′dē-ə-tĭv) The layer of a star, especially the sun, that lies just outside the core, where energy is transferred by means of radiation. In this layer, photons travel around in random movements until they enter the convection zone.