Publications of the Astronomical Society of the Pacific, Volume 9Astronomical Society of the Pacific., 1897 |
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Page v
... Light Absorption as a Determining Factor in the Selection of the Size of the Objective of the Potsdam Observatory . R. G. A .. Awards of the Comet - Medal of the Astronomical Society of the Pacific .. Memorials of WILLIAM CRANCH BOND ...
... Light Absorption as a Determining Factor in the Selection of the Size of the Objective of the Potsdam Observatory . R. G. A .. Awards of the Comet - Medal of the Astronomical Society of the Pacific .. Memorials of WILLIAM CRANCH BOND ...
Page 14
... light - rays of the Sun , but retains the dark - rays from the ground . This idea was elaborated by POUILLET ; and LANGLEY was by some of his researches led to the view that " the temperature of the Earth under direct sunshine , even ...
... light - rays of the Sun , but retains the dark - rays from the ground . This idea was elaborated by POUILLET ; and LANGLEY was by some of his researches led to the view that " the temperature of the Earth under direct sunshine , even ...
Page 15
... ( light or dark ) in two different ways . On the one hand , the heat suffers a selective diffusion on its passage through the air ; on the other hand , some of the atmospheric gases absorb considerable quantities of heat . These two ...
... ( light or dark ) in two different ways . On the one hand , the heat suffers a selective diffusion on its passage through the air ; on the other hand , some of the atmospheric gases absorb considerable quantities of heat . These two ...
Page 18
... light on the question may be drawn . In the first place , it seems to be of importance to com- pare the quantity of carbonic acid now present in the air with the If the former is insignifi- quantities that are being transformed . cant ...
... light on the question may be drawn . In the first place , it seems to be of importance to com- pare the quantity of carbonic acid now present in the air with the If the former is insignifi- quantities that are being transformed . cant ...
Page 33
... light , but this seems hardly probable ; and the descriptions given do not closely resemble the aurora . The hypothesis of any peculiar reflection in the upper strata of the atmosphere is more clearly excluded by the following examples ...
... light , but this seems hardly probable ; and the descriptions given do not closely resemble the aurora . The hypothesis of any peculiar reflection in the upper strata of the atmosphere is more clearly excluded by the following examples ...
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Common terms and phrases
aperture April Arcturian Astronomical Society Atlas atmosphere August Board of Directors bright BRUCE Medal C. D. PERRINE Capellan carbonic acid catalogue comet Comet-Medal Committee Committee-Messrs constellation December Decl Declination degrees eastward diameter dome eclipse EDWARD equatorial F. R. ZIEL feet Greenwich Hamilton Harvard College Observatory HOLDEN inches instruments interstellar medium January July June Jupiter latitude LEWIS SWIFT Library Lick Observatory longitude magnitude March Mars meeting Mercury meridian Messrs meteor minutes Miss O'HALLORAN MOLERA month Moon morning star motion Mount Hamilton moves nebulæ Neptune November Oakland observations October Pacific penumbra photographic planets plates President prisms Prof Professor proper-motion Publications quantity of carbonic R. G. AITKEN San Francisco Saturn SCHAEBERLE Secretary seen Sept September Shadow touching Sirian solar spectra spectroscope sun-spot telescope tion Transit umbra University Observatory Uranus Venus W. H. S. MONCK WILLIAM ALVORD Yerkes Observatory Yerkes telescope ΙΟ