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 130
own dark shadowsupon his disk. They may be seen like dark round spotstraversing it from side to side, causing, whenever thatshadow falls, an eclipse of the sun. Altogether, aboutforty of these eclipses occur in the system of Jupiterevery month. 268. The immersions and emersions of Jupiters… … 1. The above is a perpendicular view of the orbits of Jupiters satellites. His broadshadow is projected in a direction opposite the sun. At C, the second satellite is suffer-ing an immersion, and will soon be totally eclipsed: while at D, the first is in the act ofemersion, and will soon appear…
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-123-43.webp)
