Astronomy in a nutshell, the chief facts and principles explained in popular language for the general reader and for schools (1912)
Serviss, Garrett Putman, 1851-1929, Rouben Mamoulian Collection (Library of Congress) DLC · New York, London, G.P. Putnam's sons · leaf 108
cannot here enter, but, if it werenot attracted by the earth (or by the sun),the moon would travel in a straight linethrough space, like a stone escaping from asling. The force of the attraction is justsufficient to make the moon move in anorbital path about the earth. The same principle was… … Fig. 5. How the Earth Controls the Moon. Let C be the centre of the earth and M that of the moon.Suppose the moon to be moving in a straight line at sucha velocity that it will, if not interfered with, go to A inone day. Now suppose the attraction of the earth toact upon it. That attraction will…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-397-275.webp)
