Flammarion, Camille, 1842-1925, Welby, Frances A. (Frances Alice) tr · New York, D. Appleton and company · leaf 316
two terrestrial stationsas far as possible removed from each other, markingthe two points at which the planet, seen from theirrespective stations, appears to be projected at the samemoment on the solar disk. This measure gives thewidth of an angle formed by two lines, which startingfrom two… … B Fig. 83.—Measurement of the distance of the Sun. on the Sun. The measurement of this angle giveswhat is called the parallax of the Sun—that is, the angu-lar dimension at which the Earth would be seen at thedistance of the Sun. Thus, it has been found that the half-diameter ofthe Earth viewed from…
Astronomy
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