Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 86
73. Cause of the Tides.— It has been known toseafaring nations from aremote antiquity that thereis a singular connectionbetween the ebb and flowof the tides and the diur-nal motion of the moon. Fig 82* This tidal movement in seeming obedience to the moon wasa mystery until the study of the law of… … Let M be the moon, E the earth, and EM theline joining their centres. Now, strictly speaking, the moondoes not revolve around the earth any more than the earth
Astronomy
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