Nature, Volume 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Página 256
... known luminosities of the stars exceeds a millionfold , and that in the well- determined densities is nearly as great , the range in the masses so far investigated is only about fiftyfold . The greatest known masses are those of the com ...
... known luminosities of the stars exceeds a millionfold , and that in the well- determined densities is nearly as great , the range in the masses so far investigated is only about fiftyfold . The greatest known masses are those of the com ...
Página 457
... known about their cosmogony , and it is not known why they should have considered themselves in the ninth cycle of their world's history when they constructed the Quirigua and Copan monuments . This mode of reckoning was still used at ...
... known about their cosmogony , and it is not known why they should have considered themselves in the ninth cycle of their world's history when they constructed the Quirigua and Copan monuments . This mode of reckoning was still used at ...
Página 493
... known to grow in the West Indies . In only one instance has there been found mixed with the gulf weed a seaweed ... known for twenty - five years that when light of sufficiently short wave - length falls upon a metal , it has the power ...
... known to grow in the West Indies . In only one instance has there been found mixed with the gulf weed a seaweed ... known for twenty - five years that when light of sufficiently short wave - length falls upon a metal , it has the power ...
Índice
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