. Carnegie Institution of Washington publication. 27 higher part of the hydrogen atmosphere, thus revealed in projection against the disk, immense vortices were found surrounding sun-spots (Fig. 18). This led to the hypothesis that a sun-spot is a solar storm, resembling a terrestrial tornado, in which the hot vapors, whirling at high velocity, are cooled by expansion, thus accounting for the. FIG. 20.—3O-foot Spectrograph, with Polarizing Apparatus above Slit. observed intensity changes of the spectrum lines and the presence of chemical compounds. But the observed widening of many spot lines
. Carnegie Institution of Washington publication. 27 higher part of the hydrogen atmosphere, thus revealed in projection against the disk, immense vortices were found surrounding sun-spots (Fig. 18). This led to the hypothesis that a sun-spot is a solar storm, resembling a terrestrial tornado, in which the hot vapors, whirling at high velocity, are cooled by expansion, thus accounting for the. FIG. 20.—3O-foot Spectrograph, with Polarizing Apparatus above Slit. observed intensity changes of the spectrum lines and the presence of chemical compounds. But the observed widening of many spot lines and the doubling or trebling of some of them re- mained inexplicable until the vortex hypothesis suggested an explanation. Thomson and others had shown that electrons are emitted by hot bodies; hence they must be present in great numbers in. 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
Size: 1813px × 1378px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1902
