two revolutions and 8° 6 over; showing that the line * Line of conjunction, an imaginary line drawn from the sunthrough the two planets when in conjunction. f See problem of the two couriers, Robinsons Algebra. PLANETARY PERTURBATIONS 211 of conjunction advances 8° 6 in longitude during the period… … plained. Let AB (Fig. 42) represent the major axis of Saturns The seriesorbit, and ab that of Jupiter; the two are placed at an angle tions00^0 Of 78°.* plained. Suppose any conjunction to take place in any part of theorbits, as at JS (the line JS we call the line of conjunc- Lineofcon-tion); in…
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-359-250.webp)
