Nature, Volume 110Sir Norman Lockyer Macmillan Journals Limited, 1922 |
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Página 219
... determine their distances . It was soon found , however , that estimates of distance based upon apparent magnitude were wholly futile , for the greater number of the larger parallaxes determined were of stars of the fifth , sixth , and ...
... determine their distances . It was soon found , however , that estimates of distance based upon apparent magnitude were wholly futile , for the greater number of the larger parallaxes determined were of stars of the fifth , sixth , and ...
Página 220
... determined from the apparent magnitudes ( which are known ) and from the trigonometrical parallaxes ( also known ) obtained from one or other of the methods previously described . The equation for this computa- tion is as follows ...
... determined from the apparent magnitudes ( which are known ) and from the trigonometrical parallaxes ( also known ) obtained from one or other of the methods previously described . The equation for this computa- tion is as follows ...
Página 546
... determined the distances of those nearer the earth . In practice the distances of the nearest clusters have been determined from studies of their variable stars , of their blue stars ( spectral type B ) , and of their red giant stars ...
... determined the distances of those nearer the earth . In practice the distances of the nearest clusters have been determined from studies of their variable stars , of their blue stars ( spectral type B ) , and of their red giant stars ...
Índice
Rayleigh Lord Polarisation of the Light scattered by strators in Physiology in Cambridge University 530 | xxxi |
Sutton J R The Control of Evaporation by the Tempera Gold Medal of the Franklin Institute 188 | xxxiii |
Wherry E T The Statement of Crystalsymmetry 586 Wolbach Prof S B New Growths and Cancer 766 | xxxiv |
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