A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 285
)2 Developing this expression, we have EL = 3D2p + 3DP2 + psD2+2Dp+p2 Since p is very small as compared with D, all the terms except the firstnearly vanish both in numerator and denominator, and we have EL = L — 3p (very nearly). D2 445. Resolution of the Disturbing Force into Components.— In… … Fig. 148.— Radial and Tangential Components of the Disturbing Force. radius vector, tending to draw the moon either towards or from theearth. The second, the tangential, operates to accelerate or retardthe moons orbited velocity. Fig. 14S exhibits these two components at different points of the…
Astronomy
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