Dudley Observatory, American Astronomical Society, American Institute of Physics · New York [etc.] American Institute of Physics [etc.] · leaf 276
// sin (A — a-)cos 8 sin a = sin/ sin // + cos / cos// sin (A—<r)ens 8 cos a = cosi1/ cos (A — <r) Then, if B0 denote the component directed towards the Sun, SB the c ponent perpendicular to this and lying in the plane of the ecliptic, and J, the component directedto the north pole of that… … The diagram exhibits the form of the sphero-conic in the I sphere projected is live inches. The point Bis thai toward!example. The projection used is the stereographie, the pole which the resultant of the attraction of the elliptic ring isbeing at the center of the sphero-conic. The radius of the |…
Astronomy
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