دانلود کتاب The Internal Rotation of the Sun

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Article. Publised in Annual Review of Astronomy and Astrophysics — 2003. — N. 41 — pp. 599-643.
ISSN: 00664146, 15454282
doi: 10.1146/annurev.astro.41.011802.094848Helioseismology has transformed our knowledge of the Sun’s rotation. Earlier studies revealed the Sun’s surface rotation, but nowa detailed observational picture has been built up of the internal rotation of our nearest star. Unlike the predictions of stellar-evolution models, the radiative interior is found to rotate roughly uniformly. The rotation within the convection zone is also very different from prior expectations,
which had been that the rotation rate would depend primarily on the distance from the rotation axis. Layers of rotational shear have been discovered at the base of the convection zone and in the subphotospheric layers. Studies of the time variation of
rotation have uncovered zonal-flow bands, extending through a substantial fraction of the convection zone, which migrate over the course of the solar cycle, and there are hints of other temporal variations and of a jet-like structure. At the same time, building on earlier work with mean-field models, researchers have made great progress in supercomputer simulations of the intricate interplay between turbulent convection and rotation in the Sun’s interior. Such studies are beginning to transform our understanding of how rotation organizes itself in a stellar interior.