Proctor, Richard A. (Richard Anthony), 1837-1888 · New York, A.C. Armstrong and son · leaf 295
ry-ing out in a direct manner the simultaneous observa-tions just described, from stations thousands of milesapart. We have seen that the determination of the suns dis-tance by observing Venus on the suns face would be amatter of perfect simplicity if we could be quite sure TRANSITS OF VENUS. 283… … would see her as at B; and the distance between thetwo lines a d and h b\ along which her centre is travel-ling, as watched by these two observers, is known quitecertainly to be i8,coo miles, if the observers stations are 284 TRANSITS OF VENUS. 7,000 miles apart in a north-and-south direction…
Astronomy
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