Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Stran 258
Sir Norman Lockyer. The two series of giant and dwarf stars appear once more ; the giants are all of about the same brightness , except that those of Class B are brighter than the rest ; the dwarf stars diminish in brightness by about ...
Sir Norman Lockyer. The two series of giant and dwarf stars appear once more ; the giants are all of about the same brightness , except that those of Class B are brighter than the rest ; the dwarf stars diminish in brightness by about ...
Stran 282
... giant stars ; and these stars of low density show a very marked preference for the " later " spectral classes , while practically all the stars of " earlier ” type are far denser . are We can answer the third question as well , and ...
... giant stars ; and these stars of low density show a very marked preference for the " later " spectral classes , while practically all the stars of " earlier ” type are far denser . are We can answer the third question as well , and ...
Stran 285
... stars - those of Class B -are , on the average , decidedly more massive than those of any other spectral type . On ... giant stars . The average masses of the giant and dwarf stars appear , how- ever , to be conspicuously different ...
... stars - those of Class B -are , on the average , decidedly more massive than those of any other spectral type . On ... giant stars . The average masses of the giant and dwarf stars appear , how- ever , to be conspicuously different ...
Vsebina
Brauner Prof B New Units in Aerology 136 | 9 |
Brown Prof W Change of Length in Nickel Wire 232 | 17 |
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
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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