Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 151
In the method of determining the solar parallax sug-gested by Halley, and commonly known as Halleysmethod, two stations are selected as far apart as possible,one in the northern and the other in the southern hemi-sphere, from each of which the whole transit can be seen.The times of beginning and… … 146 ASTRONOMY. tween them are computed in seconds of arc. The distancebetween the chords in miles can be found from the knownpositions of the points of observation and the relative dis-tances of the earth and Venus from the sun. We then havethe data for computing the angle that would be subtendedby…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
