Brocklesby, John, 1811-1889. [from old catalog] · New York, Sheldon and company · leaf 161
he points in the moons orbit where she is inconjunction and opposition are called the syzygies1, andthose where she is 90° from the sun the quadra-tures.2 Fig. 55, exhibits the appearance presented by 1. Syzygies, derived from the Greek words, sun, with and zeugos, ayoke, i.e. a yoking or joining… … moons quadrature. 150 SOLAR SYSTEM. the moon in quadrature when seen magnified through atelescope. 273. What the Phases Prove. The phases of themoon clearly prove that this body possesses a sphericalfigure, and is illumined by the sun ; for it is only a sphe-rical body, which viewed in the…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Novae coelestium terrestriumq[ue] rerum observationes : et fortasse hactenus non uulgatae (1646)](https://img.insideoutlibrary.com/img/200/ia-novaecoelestiumt00font-80-30.webp)