Astronomy in a nutshell, the chief facts and principles explained in popular language for the general reader and for schools (1912)
Serviss, Garrett Putman, 1851-1929, Rouben Mamoulian Collection (Library of Congress) DLC · New York, London, G.P. Putnam's sons · leaf 88
as longas it continues to spin, swing round and roundin a circle instead of falling. We cannotenter into a mathematical explanation ofthis phenomenon here, but the reader willfind a clear popular account of the wholematter in Prof. John Perrys little bookon Spinning Tops. It is sufficient hereto… … The Milky Way about Chi Cygni Photographed at the Lick Observatory by E. E. Barnard, with the six-inch Willard lens. Observe the cloud-like forms. THe Zodiac and Equinoxes 59 protuberance of the earth, which makes theearths axis turn round in space. Now, as we have said, this slow swinginground of…
Astronomy
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