tion- hut for a moment; and that point is where its apparent mo-ary- tion changes from direct to retrograde, and from retrograde to direct; which takes place when the angle SE V is about29 degrees on each side of the line SE. When the line E V touches the circumference A VJB, theangle S E J7, or… … PLANET A R Y MOTION. 107 will be the natural sine of 46° 20. and can be taken out of «<*.„ ™ L HAP, V 11, any table of natural sines; or it can be computed by loga- rithms, and the result is .72336. For the planet Mercury, the mean of the same angle is 22° 46. and the natural sine of that angle,…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
