The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 279
rts of their surface which are successivelyturned towards us during a revolution; but careful measure-ments of their light show that this hypothesis does notaccount for the changes, which are sometimes very sudden.The satellites are too distant for examination of their sur-faces with the telescope… … A
Astronomy
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