A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 118
ark portion. The writer has oftenwatched them, and seen them enlarge more and more, as the sun arose upon the side ofthe moon toward us, and enlightened the sides of her mountains. _ 239. Length of moons year ? Number of natural days ? Suns declina-tion upon her ? Climate at equator and poles ?… … 114 ASTRONOMY. 2. The shadows are always projected in a direction opposite the sun, or toward thedark side of the moon ; and as her eastern limb is dark from the change to the full, andher western from the full to the change, of course the direction of the shadows must bereversed. 3. Suppose a…
Astronomy
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![An illustration from Sidereus nuncius : magna, longeque admirabilia spectacula pandens, suspiciendaque proponens vnicuique, praesertim verò philosophis, atq[ue] astronomis, quae à Galileo Galileo ... perspicilli nuper à se reperti beneficio sunt obseruata in lunae facie, fixis innumeris, lacteo circulo, stellis nebulosis, apprime verò in quatuor planetis circa Iouis stellam disparibus interuallis, atque periodis, celeritate mirabili circumuolutis; quos, nemini in hanc vsque diem cognitos, nouissimè author depraehendit primus; atque Medicea sidera nuncupandos decreuit (1610)](https://img.insideoutlibrary.com/img/200/ia-sidereusnunciusm00gali-23-6.webp)
