 | John Gummere - 1842 - 516 σελίδες
...perturbations taken from the small table on the same page, with the arguments I, II, and III. Subtract the longitude of the earth from the heliocentric longitude of the planet; the remainder, if less than 180°, will be the angle of commutation, to be marked west; but, if the remainder... | |
 | 1851 - 716 σελίδες
...speak of the commutation and the annual parallax of a planet. The commutation is the angle PST (Jig. 14), at the sun, S, obtained by deducting the heliocentric...Important Elements in the Theory of the Planetary Motions. 21. The mean anomaly, the true anomaly, the perihelion distance, and the aphelion distance,... | |
 | Johann Georg Heck - 1851 - 712 σελίδες
...speak of the commutation and the annual parallax of a planet. The commutation is the angle PST (Jig. 14), at the sun, S, obtained by deducting the heliocentric longitude of ihe earth from the heliocentric longitude of the planet. The annual parallax is the angle TPS, at the... | |
 | John Gummere, Ezra Otis Kendall - 1854 - 484 σελίδες
...perturbations taken from the small table on the same page, with the arguments I., II., and III. Subtract the longitude of the earth from the heliocentric longitude of the planet; the remainder, if less than 180°, will be the angle of commutation, to be marked west; but, if the remainder... | |
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... same manner of the heliocentric and geocentric position of a planet with respect to the equator, and consequently of the heliocentric and geocentric right ascension and declination. We have still to speak of the commutation and the annual parallax... 