. Carnegie Institution of Washington publication. 2* the sun. If positive or negative electrons were caught and whirled in a vortex they would produce a magnetic Held, such as we obtain by passing an electric current through a coil of wire. Zeeman had discovered in 1896 that the lines in the spec- trum of a luminous vapor in a magnetic field are widened or (if the field is strong enough) split into several components (Fig. 21). Moreover, the light. FIG. 21.—Effect of Magnetic Field upon Lines of Iron Spectrum In ii the middle component and in /> the outer components are cut out by a Xicol P
. Carnegie Institution of Washington publication. 2* the sun. If positive or negative electrons were caught and whirled in a vortex they would produce a magnetic Held, such as we obtain by passing an electric current through a coil of wire. Zeeman had discovered in 1896 that the lines in the spec- trum of a luminous vapor in a magnetic field are widened or (if the field is strong enough) split into several components (Fig. 21). Moreover, the light. FIG. 21.—Effect of Magnetic Field upon Lines of Iron Spectrum In ii the middle component and in /> the outer components are cut out by a Xicol Prism; (~, Spectrum without Magnetic Field. of these components is polarized in so characteristic a \vay that there can be no uncertainty in identi- fying the effect. Could this be the condition of things in sun-spots? The jo-foot spectrograph of the towrer telescope permitted the test to be made at once. The characteristic polarization phenomena appeared and one by one all of the distinctive peculiarities of the Zeeman effect were made out. Thus direct. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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