accurate method of com-puting the eccentricity of the ellipse, as we may see by thenote below.f t Let C (Fig. 20) be theplace of the true sun, and Gthe place of the imaginarysun; the line m F cuts offequal portions of the circleand the ellipse. Then wehave, to make the sectorm F G to the triangle o… … Hence, eab ~9~ GF a2> rah Tra2 * By a mere mechanical contrivance, the modern astronomical tablesare so arranged, that all corrections are rendered additive ; so that themechanical operator cannot make a mistake, as to signs, and he maycontinue to work without stopping to think. These…
Astronomy
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