Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Stran 252
... parallax , and the discovery of several moving , +2 clusters of stars the distances of which can be determined , put at our disposal far more extensive data than were available a few years ago . Fig . 1 shows graphically the results ...
... parallax , and the discovery of several moving , +2 clusters of stars the distances of which can be determined , put at our disposal far more extensive data than were available a few years ago . Fig . 1 shows graphically the results ...
Stran 254
... parallax 4 : 2 is , however , smaller than for the dwarfs of Classes G and K , and hence the mean proper - motion and parallax of all the stars of this class is less than for Class G. Campbell's criterion here excludes very few stars ...
... parallax 4 : 2 is , however , smaller than for the dwarfs of Classes G and K , and hence the mean proper - motion and parallax of all the stars of this class is less than for Class G. Campbell's criterion here excludes very few stars ...
Stran 255
... parallax No. Abs . mag . Formula O - C m . B2 21 - 1'2 - I'I B8 8 + 0'3 + 0 ° 2 Ao 6 +14 +1.4 Ο Ο 13 0'5 06 A4 7 2'5 ... parallax were selected . Most observers , in pre- paring their working lists , have included mainly those ...
... parallax No. Abs . mag . Formula O - C m . B2 21 - 1'2 - I'I B8 8 + 0'3 + 0 ° 2 Ao 6 +14 +1.4 Ο Ο 13 0'5 06 A4 7 2'5 ... parallax were selected . Most observers , in pre- paring their working lists , have included mainly those ...
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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