A popular handbook and atlas of astronomy, designed as a complete guide to a knowledge of the heavenly bodies and as an aid to those possessing telescopes (1891)
Peck, William, Sir, 1862-1925 · New York, G. P. Putnam's Sons · leaf 136
shows that the moon, though smaller than the earth,is yet older in the scale of development. Being the smaller globe, she would of course cool more rapidly,and reach the solid condition long before our earth. In fact, from its size and composition, the moonmust have cooled down in one-sixth of the… … Copernicus
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
