Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 53
sion of Lord Kelvin), Professor Newcomr finds thetheoretic period not 306, but 441 days — a remarkably good 24 Stars and Telescopes The mean density of the Earth is about five and ahalf times that of water; which shows that some por-tion at least of the interior must be much denser thanthat of the… … in the southern hemisphere is larger than that in thenorthern proves that the former portion of the Earthis somewhat denser than the latter, enabling it to retainthe larger bulk of water. If the globe be divided intotwo hemispheres such that the surface of one containsthe largest possible amount of…
Astronomy
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