A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 71
%> The orbit of Venus departs from the ecliptic 3^°, as stated at 108, while her axis is in-clined to the plane of her orbit 75°, as shown in the above figures. This distinctionshould be kept definitely in view by the student. 2. The inclination of the axes of the several planets, each to the… … 123. The inclination of the earths axis to the plane ofthe ecliptic causes the equinoctial to depart 23° 28/ fromthe ecliptic. This angle made by the equinoctial and theelliptic is called the Obliquity of the Ecliptic. OBLIQUITY OP THE ECLIPTIC. B A 23028
Astronomy
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![An illustration from Cosmographia in qvatvor libros distribvta summo ordine, miraqve facilitate, ac breuitate ad magnam Ptolemæi mathematicam constructionem, ad vniuersamque astrologiam institutens. Francisco Barocio ... avtore. Cum præfatione eiusdem autoris, in qua perfecta quidem astrologiæ diuisio, & enarratio autorum illustrium, & voluminum ab eis conscriptorum in singulis astrologiæ partibus habetur: Joannis de Sacrobosco verò 84 errores, et alij permulti suorum expositorum, & sectatorum ostenduntur. rationibusq[uam] redarguuntur. Præcesserunt etiam quædam communia mathematica, necnon arithmetica, & geometrica principia, nonnullæq[uam] propositiones, de quibus in toto opere sæpe fit mentio: ac demum locupletissimus index eorum, quæ ipsa Cosmographia continentur .. (1585)](https://img.insideoutlibrary.com/img/200/ia-cosmographiainqv00baro-152-59.webp)
