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| Cutaway view (left) and radial cuts (right) of mean rotation, from RLS inversion of GONG data. The colour scale in the cutaway view has red as fast rotation, blue as slow. The rotation is approximately constant on radial lines within the convection zone, with a shear layer in the outer 5% by radius. At the base of the convection zone (0.71R) is a transition region (the tachocline) below which rotation is approximately uniform. | |