... missing is the almost horizontal passage through the verythin annulus occupying the space between its deepest penetration level and that of the second wave: the space between the second and third ... reflectedbeneath, rather than at, the surface of the Sun, one cannot know the structure of the Sun all the way to the surface. So how can one proceed? And how can the trapped80 D.O. Goughat low and high ... generated by a dynamo in the convection zone and diffus-ing into the radiative interior of the Sun from above, applies a stress on the fluid,which opposes other agents acting on the fluid that tend...