. Carnegie Institution of Washington publication. 34 WORK OF THE PASADENA LABORATORY. The value of laboratory work in the interpreta- tion of solar phenomena has already been illus- trated. Magnetic fields are detected by the split- ting and polarization of spectrum lines, differences of temperature by changes in their relative inten- sities, differences of pressure by shifts in their positions, etc. By producing such effects artifi-. FIG. 27.—Pasadena Laboratory. daily, with the aid of powerful electric furnaces, pressure pumps, and other physical instruments, we can imitate a great variety o
. Carnegie Institution of Washington publication. 34 WORK OF THE PASADENA LABORATORY. The value of laboratory work in the interpreta- tion of solar phenomena has already been illus- trated. Magnetic fields are detected by the split- ting and polarization of spectrum lines, differences of temperature by changes in their relative inten- sities, differences of pressure by shifts in their positions, etc. By producing such effects artifi-. FIG. 27.—Pasadena Laboratory. daily, with the aid of powerful electric furnaces, pressure pumps, and other physical instruments, we can imitate a great variety of celestial phe- nomena and interpret complex and obscure pecu- liarities. It is thus plainly apparent that a phys- ical laboratory is a necessary adjunct of an astro- physical observatory. Our experience has shown. 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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