Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 264
e sun,and C D the portion of Venuss relative orbit which shedescribes while in the act of transiting the suns disc.Suppose A B two spectators at opposite extremities ofthat diameter of the earth which is perpendicular to theecliptic, and, to avoid complicating the case, let us lay * See Essay ox… … trie transit. Then, at any moment when the spectatorat A sees the center of Venus projected at a on the sunsdisc, he at B will see it projected at b. If then one orother spectator could suddenly transport himself fromA to B, he would see Venus suddenly displaced on thedisc from a to b; and if he…
Astronomy
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