The dynamic pressure of the wind dominates over the magnetic pressure through most of the solar system (or heliosphere), so that the magnetic field is pulled into an Archimedean spiral pattern (the Parker spiral) by the combination of the outward motion and the Sun's rotation.
spiral galaxy | Spiral | spiral | Spiral Circle Complete | Spiral Tribe | The Downward Spiral | Spiral (Stockhausen) | Spiral model | Spiral Minaret | Spiral Jetty | Spiral Honey | Spiral galaxy | Spiral (film) | ''Spiral Expansion of Muscles in Action'', plaster, photograph published in 1914 and 1919, in ''Cubists and Post-Impressionism'', by Arthur Jerome Eddy | Spiral Castle | Grand design spiral galaxy | Further Down the Spiral | Archimedean spiral | Archimedean solid | Archimedean property |