Popular astronomy : a concise elementary treatise on the sun, planets, satellites and comets (1865)
Mitchel, O. M. (Ormsby MacKnight), 1809-1862 · New York : Oakley & Mason · leaf 350
y 5, produces 2,919.6—that is, during thetime involved in the long cycle of 2,921 days there haveoccurred five conjunctions of the earth and Venus dis-tributed equally around the orbits of the planets. If weexamine the figure below, and suppose S, V and E to AS PONDERABLE BODIES 329 represent the… … second synodic revolution thb planets will be in y andand E^j and thus they will pass round the orbits, mak-ing their conjunctions at intervals of 583.9 days, andseparated by arcs equal to one-fifth part of 360°. Letus now carefully examine the reciprocal influence of Vand E. Starting from the…
Astronomy
Internet Archive · 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-300-196.webp)
