Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 370
in like proportion, somewhat short of that which wouldkeep the body in its precise elliptic orbit. It will nolonger, therefore, have, at those greater distances, thesame command over the weight, in proportion to itsspeedy which would enable it to deflect it from its recti-linear tangential course… … motion brought to be again at right angles to the radius.It will require a longer continued action of the central * Newton, Princip. i. 47. 364 A TREATISE OX ASTRONOMY. CHAP. XI. force to do this; and before it is accomplished, more thana quadrant of its revolution must be passed over in an-gular…
Astronomy
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