Nature, Volume 93Sir Norman Lockyer Macmillan Journals Limited, 1914 - Electronic journals |
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Page 281
... less dense than the sun , though but few of them are of less than 1/100 the sun's density . Thirdly , the stars of Classes A and B are fairly similar to one another in density , the great majority having densities between 1/3 and 1/45 ...
... less dense than the sun , though but few of them are of less than 1/100 the sun's density . Thirdly , the stars of Classes A and B are fairly similar to one another in density , the great majority having densities between 1/3 and 1/45 ...
Page 285
... Less massive bodies would not reach a higher temperature than that corresponding to a spectrum of Class A ; those still less massive would not get above Class F , and so on . This steady addition of stars of smaller and smaller mass ...
... Less massive bodies would not reach a higher temperature than that corresponding to a spectrum of Class A ; those still less massive would not get above Class F , and so on . This steady addition of stars of smaller and smaller mass ...
Page 636
... less ambitious , perhaps , because less com- prehensive , but not less direct . If we cannot see how a fowl by its egg and its sperm gives rise to a chicken or how a sweet pea from its ovule and its pollen grain produces another sweet ...
... less ambitious , perhaps , because less com- prehensive , but not less direct . If we cannot see how a fowl by its egg and its sperm gives rise to a chicken or how a sweet pea from its ovule and its pollen grain produces another sweet ...
Contents
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