Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Stran 252
... absolute magnitude , -5 , at the top of the diagram , corresponds to a luminosity 7500 times that of the sun , the absolute magnitude of which is 47. The absolute magnitude 14 , at the bottom , corresponds to 1/5000 of the sun's ...
... absolute magnitude , -5 , at the top of the diagram , corresponds to a luminosity 7500 times that of the sun , the absolute magnitude of which is 47. The absolute magnitude 14 , at the bottom , corresponds to 1/5000 of the sun's ...
Stran 255
Sir Norman Lockyer. we find , for the mean absolute magnitudes of all the stars of each class , the following values ... magnitude and had proper - motions exceeding some definite limit . Of the stars above this limiting magnitude ...
Sir Norman Lockyer. we find , for the mean absolute magnitudes of all the stars of each class , the following values ... magnitude and had proper - motions exceeding some definite limit . Of the stars above this limiting magnitude ...
Stran 282
... absolute magnitude 3-06 . Now , referring to Fig . 3 , we find that the mean absolute magnitude which the 115 visual double stars of Class AO there recorded would have , if they were equal in mass only to the sun , but had their own ...
... absolute magnitude 3-06 . Now , referring to Fig . 3 , we find that the mean absolute magnitude which the 115 visual double stars of Class AO there recorded would have , if they were equal in mass only to the sun , but had their own ...
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