A compendium of spherical astronomy with its applications to the determination and reduction of positions of the fixed stars (1906)
Newcomb, Simon, 1835-1909 · New York, The Macmillan company; London, Macmillan and co., ltd. · leaf 141
e between sidereal and mean time is the sameat all places on the earths surface. IX. Hence, also, the sidereal time of mean noon is identicalwith the right ascension of the mean sun at that time. Illustration of the propositions. Let 0 be the centre of theearth, and the plane of the paper that of… … Fio. 11. The inner arrows show the real direction of rotation of theearth; the outer ones the apparent direction of the rotation ofthe celestial sphere. We then have : Angle GOP, the East longitude of P; GOS, the Greenwich mean time;POS, the local mean time of P,GOE, the Greenwich sidereal…
Spherical astronomy · Stars
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