The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 347
... stars in the compilation of star catalogs and charts . As Durchmusterung , which included 14,199 stars brighter photometric methods became more sophisticated , photom- than 7.5 magnitude in the Northern Hemisphere , and the etry became ...
... stars in the compilation of star catalogs and charts . As Durchmusterung , which included 14,199 stars brighter photometric methods became more sophisticated , photom- than 7.5 magnitude in the Northern Hemisphere , and the etry became ...
Page 349
... stars , no same system of magnitudes for stars of a given spectral other method has proved successful in measuring the energy distribution when measured with the same telescope Represenmagnitude of each component separately or in ...
... stars , no same system of magnitudes for stars of a given spectral other method has proved successful in measuring the energy distribution when measured with the same telescope Represenmagnitude of each component separately or in ...
Page 351
... stars possess easily rec- The spectral transmission of the atmosphere is characognized light - variation characteristics in terms of the terized by numerous wavelength regions called windows shapes , amplitudes , and periods of their ...
... stars possess easily rec- The spectral transmission of the atmosphere is characognized light - variation characteristics in terms of the terized by numerous wavelength regions called windows shapes , amplitudes , and periods of their ...
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