Subject ASC0003z1z
The geologist : a popular monthly magazine of geology.
v.4 (1861), Page 491 (1861)
American Museum of Natural History Library
BHL Page 47659200
Keywords
moon circle sphere earth planet space line a e c b m Planets Earth Moon Space astronomy lunar seas A E C M B A' = 1x .2729x.2729 .011364x69.0005