[english | 1921]
Excerpts: [... (T) of the star. According to the radiation laws of STEPHAN and WIEN we find, indeed (compare L. M. 41[1]) that the intensity is proportional to ...... with the same numerals in plaary units of length per year. Spectroscopic determinations of the velocities, through the DOPPLER-principle, are ...... Pole-star m = 2.12. If the magnitudes are given in another scale than the ...]
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