An introduction to astronomy : designed as a text book for the students of Yale College (1846)
Olmsted, Denison, 1791-1859, Yale College (1718-1887) · New York : Collins, Brother & Co. · leaf 155
s to the sun. Then (Art. 180,) -i: JL :: SE SE^ SE- SM-the force by which the sun SM2 draws the moon in the direction SE^MS. Take MG=^, and let the parallelogram KF be described, having MG for its diagonal, and having its sides parallel to EM and ES. The force MG may be re- solved into two, MF and… … LUNAR IRREGULARITIES. ] 31 times. The other force MK draws the moon in the direction ofthe Hne joining the centers of the sun and earth. It is, however,only the excess of this force, above the force represented by SE,or that which draws the earth to the sun, which disturbs the rela-tive position of…
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-391-272.webp)
