Electro astronomical atlas ... with explanatory notes, questions and answers (1874)
Spoor, J. W. (Joseph W.) · Albany, N.Y., Weed, Parsons and Company · leaf 68
weigh195 pounds at the poles. Q. What is the cause of a body weighing moreat the Poles than at the Equator ? A. The motion of the Earths surface is not sogreat as at the Equator, and it is nearer the cen-ter of the Earth, hence, the body would not haveso great a tendency to fly off, and, being… … LESSON XXVIII. Analysis. — The Moon — Form of Orbit — Perigee — Apogee — Mean Distance — Inclination of its Orbit to Plane of Ecliptic —Lunar Days in a Year — How muck of Moon Seen — Illustrated — Evidence of any Life on the Moon — Result if there were —Any Seas, Lakes, Rivers — Any Winds or…
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-20-5.webp)
