Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Stran 231
... Classes F , G , and K have nearly , if not quite , as small parallaxes and proper - motions as those of Classes A and M , though they are not quite so remote as the stars of Class B. The large mean values obtained for all the stars of ...
... Classes F , G , and K have nearly , if not quite , as small parallaxes and proper - motions as those of Classes A and M , though they are not quite so remote as the stars of Class B. The large mean values obtained for all the stars of ...
Stran 253
... Class B. Direct measures of parallax are unsuited to furnish even an estimate of the upper limit of brightness to which these stars attain , but it is clear that some stars of all the principal classes must be very bright . The range of ...
... Class B. Direct measures of parallax are unsuited to furnish even an estimate of the upper limit of brightness to which these stars attain , but it is clear that some stars of all the principal classes must be very bright . The range of ...
Stran 282
... classes are typical of the stars of these classes as a whole . Though this may not be rigorously true , there is good reason to believe that it is not seriously in error . We find , from Fig . 4 , that the fifty eclipsing stars of Class ...
... classes are typical of the stars of these classes as a whole . Though this may not be rigorously true , there is good reason to believe that it is not seriously in error . We find , from Fig . 4 , that the fifty eclipsing stars of Class ...
Vsebina
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method motion Museum National Physical Laboratory nature observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg