The moon; a summary of the existing knowledge of our satellite, with a complete photographic atlas
324 pages
English

The moon; a summary of the existing knowledge of our satellite, with a complete photographic atlas

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324 pages
English
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-L ?1( THE MOON »r \ I p THE FULL MOON at the out HarvardPhotographed sent College ObservatoryJamaicaby expedition by THE MOON OF THEA SUMMARY EXISTING KNOWLEDGE WITH AOF OUR COMPLETESATELLITE, PHOTOGRAPHIC ATLAS By WILLIAM PICKERINGH. of Harvard College Observatory ONE HUNDRED ILLUSTRATIONS NEW YORK & COMPANYPAGEDOUBLEDAY, V I9Q3 Ctpjright, 1903, hj Tbt Co.Century Ctpyrigbt, 1903, by 8fDiubUday, Page Cimpany QB Tsz PREFACE IS INTENDED in the volume to an account of some of thepT present give more recent inadvances our of the to the . Moon,knowledge leaving j text-books a statement of the information that was earlier acquired,*gBSl IWMJi » ft ViJil and with which most are more or less familiar. Some ofpeople already these are touched in the second where sometopics lightly upon, however, chapter, reference to them seemed necessary. After the of this volume the be asked how it is thatperusal question may perhaps new could have been discovered in to so an as theanything regard conspicuous object —Moon an that must have been observed the ofobject constantly by generations astronomers of whom were with far and morealready passed, many provided larger instruments than those used the author.costly by The answer is a one. For researches incomparatively simple many astronomy, such as the of faint the and measurement of close thestars, doubles,study separation a furnished a orof their with lens is theetc.,study spectra, telescope large objective consideration.

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Nombre de lectures 7
Licence :
Langue English
Poids de l'ouvrage 11 Mo

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-L
?1(
THE MOON
»r
\
IpTHE FULL MOON
at the out HarvardPhotographed sent College ObservatoryJamaicaby expedition by

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