Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 213
ons or elongationswill be longer than if the Earth were at rest. 382. As seen from the Earth, the superior planetsappear to reach stationary points in the same manner,but for a different reason. At the moment a superior N 178 ASTRONOMY. planet appears stationary, the Earth, as seen fromthat planet,… … ^is- 33—Diagram explaining the Retrogradations, Elongations, andStationary Points of Planets. through superior conjunction, the motion of the planetreferred to the stars beyond it will be direct— i.e. from*i to *2, as shown by the outside arrow ; when the Earthis at its eastern elongation, as seen…
Astronomy · Solar system
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