Celestial scenery, or, The Wonders of the planetary system displayed : illustrating the perfections of deity and a plurality of worlds (1845)
Dick, Thomas, 1774-1857, Parker, E. S., former owner. DSI, David H. DeVorkin Collection (Smithsonian Institution. Libraries) DSI · Philadelphia : Published by Edward C. Biddle · leaf 265
he whole diameter of its orbit, or190,000,000 of miles farther from Jupiter than when it is atE. Now if light were instantaneous, the satellite £, to aspectator at J9, would appear to enter into Jupiters shadow,k i, at the same moment of time as to another spectator at E.But, from numerous… … the earth was at B, and sixteen minutes and a half soonerthan when the earth was at C, It was therefore concludedthat light is not instantaneous, but requires a certain space oftime to pass from one region of the universe to another, andthat the time it takes in passing from the sun to the earth,…
Astronomy
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![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-242-152.webp)
