 XLV.) the body's place may nearly be found in a moveable ellipse, when the orbit's eccentricity is very small; and the like equations and constructions obtain approximately for all other values of * It has been already remarked, (p. 122.) that some mathematicians,...  An Elementary Treatise on Astronomy. ... - Page 125by Robert Woodhouse - 1818 - 487 pagesFull view - About this book
 | Robert Woodhouse - 1821 - 922 pages
...of the cause of this inequality. The Variation has been explained from the effect of that resolved part of the Sun's disturbing force which acts in the direction of the tangent ; the Evection, from the effect of the resolved part in the direction of the radius vector,... | |
 | British Association for the Advancement of Science. Meeting - 1861 - 604 pages
...his predecessors have improperly omitted the consideration of the effect produced by the action of that part of the Sun's disturbing force which acts in the direction of a tangent to the Moon's orbit, and which increases the velocity ; his opponents deny that it is necessary... | |
 | John Gummere - 1837 - 506 pages
...change in the equation of the centre ; which change is the evection. 39. The Variation is produced by a part of the sun's disturbing force, which acts in the direction of a tangent to the moon's orbit. It has been shown (35.A), that MP, the part of the sun's force which... | |
 | 1860 - 512 pages
...his predecessors have improperly omitted the consideration of the effect produced by the action of that part of the Sun's disturbing force which acts in the direction of a tangent to the Moon's orbit, and which increases the velocity ; his opponents deny that it is necessary... | |
 | Elias Loomis - 1866 - 384 pages
...where the inequality amounted to 39' 30". 275. Cause of variation. — This inequality is occasioned by that part of the sun's disturbing force which acts in the direction of a tangent to the moon's orbit, Art. 269. This force is nothing at the syzygies and quadratures, and... | |
 | Elias Loomis - 1870 - 398 pages
...the inequality amounted to 39' 30". 275. Cause of variation. — This inequality is occasioned b}' that part of the sun's disturbing force which acts in the direction of a tangent to the moon's orbit, Art 269. This force is nothing at the syzygies and quadratures, and... | |
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