Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
Iz vsebine knjige
Zadetki 1–3 od 87
Stran 231
... motion and parallax increase , from F to K. 14 Campbell's results are derived from a comparison of the radial velocities and proper - motions of nearly 1200 stars , mostly brighter than the fifth magnitude , and averaging about a ...
... motion and parallax increase , from F to K. 14 Campbell's results are derived from a comparison of the radial velocities and proper - motions of nearly 1200 stars , mostly brighter than the fifth magnitude , and averaging about a ...
Stran 254
... motions that their inclusion more than doubles the mean proper - motion , and presum- ably , also , the mean parallax of the whole , as shown by Kapteyn's figures in Table III . For Class G , the dwarf stars average much brighter , and ...
... motions that their inclusion more than doubles the mean proper - motion , and presum- ably , also , the mean parallax of the whole , as shown by Kapteyn's figures in Table III . For Class G , the dwarf stars average much brighter , and ...
Stran 390
... motion for a complete minute of an aeroplane moving over the ground with steady speed of 60 ft . per sec . in a wind as registered on an open - scale record of velo- city changes , obtained at Kew Observatory . The velocity of the wind ...
... motion for a complete minute of an aeroplane moving over the ground with steady speed of 60 ft . per sec . in a wind as registered on an open - scale record of velo- city changes , obtained at Kew Observatory . The velocity of the wind ...
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