Publications of the Astronomical Society of the Pacific, Volume 9Astronomical Society of the Pacific., 1897 |
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Page 16
... periods with a climate of about the same character as the present , sometimes even milder . When the ice age had its greatest extent , the countries that now enjoy the highest civilization were covered with ice . This was the case with ...
... periods with a climate of about the same character as the present , sometimes even milder . When the ice age had its greatest extent , the countries that now enjoy the highest civilization were covered with ice . This was the case with ...
Page 17
... period . Certain American geologists hold the opinion that since the close of the ice age only some 7000 to 10,000 years have elapsed , but this most probably is greatly underestimated . One may now ask , How much must the carbonic acid ...
... period . Certain American geologists hold the opinion that since the close of the ice age only some 7000 to 10,000 years have elapsed , but this most probably is greatly underestimated . One may now ask , How much must the carbonic acid ...
Page 21
... periods in which great quantities of organisms were stored up in sedimen- tary formations and , thus subtracted from the circulation , or in which such stored - up products were , as now , introduced anew into the circulation . The ...
... periods in which great quantities of organisms were stored up in sedimen- tary formations and , thus subtracted from the circulation , or in which such stored - up products were , as now , introduced anew into the circulation . The ...
Page 22
... periods must , although it may not be important , conduce to remarkable alterations of the quantity of carbonic acid in the air , and there is no conceivable hindrance to imagining that this might in a certain geological period have ...
... periods must , although it may not be important , conduce to remarkable alterations of the quantity of carbonic acid in the air , and there is no conceivable hindrance to imagining that this might in a certain geological period have ...
Page 25
... period in February , and toward the close of the month is well above the horizon before midnight . It is in the constellation Scorpio and moves slowly eastward and then begins to move westward , but the total change of position is only ...
... period in February , and toward the close of the month is well above the horizon before midnight . It is in the constellation Scorpio and moves slowly eastward and then begins to move westward , but the total change of position is only ...
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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