A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 62
PLANETS FROM THE PLANE OF THE ECLIPTIC. 105. Although the sun is the great center aroundwhich all the planets revolve, it should be borne in mindthat no two of them revolve in the same plane. Takingthe plane of the earths orbit or ecliptic as the standard,the orbits of the other planets all depart… … In this cut, the space included within the orbit of the earth is tinted to represent aplane. Within her orbit, and part above, and part below it, may be seen the orbit of 103. Greatest elongation of Mercury ? Proves what ? (Show how demon-strated. What said of the eccentricity of the orbit of…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
