 | Smithsonian Institution. Board of Regents - 1881 - 806 lehte
...takes account only of the mean motions of the Sun and Moon, but in consequence of the eccentricity of the orbits the Sun may be 2° on either side of...original values. On account of the retrocession of 28'.6 in the the argument of latitude in each cycle, the corresponding eclipses in successive cycles... | |
 | 1882 - 534 lehte
...the solar perigee from the node, - — io°.97i In consequence of the minuteness of these changes, not only the mean place of the moon, but all its larger...the eclipse, but also with respect to its character, since the parallax and semi diameter of the moon must also return nearly to their original values.... | |
 | Smithsonian Institution. Board of Regents - 1881 - 790 lehte
...takes account only of the mean motions of the Sun and Moon, but in consequence of the eccentricity of the orbits the Sun may be 2° on either side of...original values. On account of the retrocession of 28'.6 in the the argument of latitude in each cycle, the corresponding eclipses in successive cycles... | |
 | Smithsonian Institution. Board of Regents - 1881 - 800 lehte
...or might not occur at all. But, as a matter of fact, this is not the case, the irregularities beiag reduced almost to nothing by the following remarkable...original values. On account of the retrocession of 28'.6 in the the argument of latitude in each cycle, the corresponding eclipses in successive cycles... | |
 | Smithsonian Institution. Board of Regents - 1881 - 794 lehte
...larger inequalities, will return nearly to their original values at the end of the period. This vrill hold true, not only with respect to the time of the...original values. On account of the retrocession of 28'.6 in the the argument of latitude in each cycle, the corresponding eclipses in successive cycles... | |
 | Royal Dublin Society - 1880 - 712 lehte
...new theory of the recurrence of eclipses is contained in an important paper by Professor Newcomb, " On the recurrence of Solar Eclipses, with Tables of...original values. On account of the retrocession of 28''6 in the argument of latitude in each cycle, the corresponding eclipses in successive cycles are... | |
 | Smithsonian Institution. Board of Regents - 1881 - 798 lehte
...a Saros, not only are the Sun, the Moon, and the node found nearly in their original relation, tut the mean anomaly of the Moon happens to have the same...original values. On account of the retrocession of 28'.6 in the the argument of latitude in each cycle, the corresponding eclipses in successive cycles... | |
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Sun may be 2° on either side of its mean place, and the Moon 5°. The relative position of the two bodies may therefore vary 7° from their mean position at any time, and recurring eclipses might be expected to differ widely from the predicted time,... 