A new treatise on astronomy, and the use of globes : in two parts ... (1866)
M'Intire, James, 1799-1879 · New York : Published by A.S. Barnes & Burr ... · leaf 54
that thedensities of two bodies are proportional to their masses divided by theirvolumes. DIP OF THE HORIZON. 47 to e n, and e s parallel to E S, and join C the centre ofthe earth, and A the point of tangency of E H. Whenthe body S is viewed from ■-^■y E and e, the lines of visionE S and e s will… … S when viewed from E, and * s e A is the altitude when viewed from e ; S E H — H E H = S E H = seh; •is-but we havetherefore we must subtract from the observed altitude the angleH E H, called the Dip or Depression of the Horizon,in order to obtain the apparent altitude. • Because the sum of the…
Astronomy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.