Berry, Arthur,b. 1862 · London, J. Murray · leaf 91
servations for the use of his successors.He also made use of these observations to determine withmore accuracy than before the average times of revolutionof the several planets. He also made a satisfactory estimate of the size anddistance of the moon, by an eclipse method, the leadingidea of which… … Fig. 20.—The eclipse methodof connecting the distancesof the sun and moon. it with the known angular dia-meters of the sun and moon,he obtained, by a simple cal-culation,* a relation betweenthe distances of the sun andmoon, which gives either when * In the figure, which is takenfrom the De…
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-259-164.webp)
