The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 70
with the distancea body near the surface of theearth would be pulled towardthe earth in the same time; andhe found that these distancesare to each other inversely asthe squares of the distances ofthe two bodies from the centreof the earth. He therefore con-cluded that tlie tnoon is drawnto the… … of gravity 52 ASTRONOMY. Force varying inversely as the Square of the Distance. — New-ton compared the distance which any body,moving in an ellipse, according to KeplersSecond Law, is drawn towards the sun in thesame time in different j^arts of its orbit. Hefoand these distances in all cases to…
Astronomy
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