Final answer:
The inner layers of the Sun are focused on generating and transporting energy, involving nuclear fusion in the core, radiation in the radiative zone, and convection in the convective zone. The outer layers, including the photosphere, chromosphere, and corona, interact with space, emitting light and solar phenomena observable to us, with variable temperatures across different regions.
Step-by-step explanation:
The biggest difference between the three inner layers and three outer layers of the Sun lies in their respective functions in energy generation, transition, and emission. The inner layers consist of the core, the radiative zone, and the convective zone. The core is where nuclear fusion occurs, producing energy that radiates outward. In the radiative zone, energy moves away from the core by radiation, and in the convective zone, energy is transferred to the surface through convection currents.
In contrast, the outer layers are more about interaction with space and visible phenomena. These layers include the photosphere, the chromosphere, and the corona. The photosphere is the visible surface that emits light. The chromosphere and corona are above the photosphere and are the site of various dynamic phenomena, like solar flares and coronal mass ejections, which are observable during solar eclipses. The temperatures in these outer layers vary, with some regions being surprisingly cooler than others, despite the corona being extremely hot in some parts exceeding millions of kelvins.
Thus, while the inner layers are focused on generating and transporting energy, the outer layers deal with the dispersal of energy into space and generating solar activity that can have effects throughout the solar system.