 A singular law obtains among the mean motions and mean longitudes of the first three satellites. It appears from observation that the mean motion of the first satellite, plus twice that of the third, is equal to three times that of the second ; and that...  On the Connection of the Physical Sciences - Pàgina 21per Mary Somerville - 1846 - 460 pàginesVisualització completa - Sobre aquest llibre
 | 1808 - 532 pàgines
...from the theory of the action of the satellites. Another singularity in this secondary system, is, that the mean longitude of the first satellite minus three times that of the fcecorrfl, -phi* twice th.it of the tlrird, never differs from two right angles bat by a quantity ahnost... | |
 | Pierre Simon marquis de Laplace - 1809 - 406 pàgines
...of the first satellite plus twice that of the third, is equal to three times that of the second; and the mean longitude of the first satellite minus three...that of the second plus twice that of the third is constantly equal to a semi-circumference : but will these relations always exist, or are they only... | |
 | Pierre Simon marquis de Laplace - 1809 - 408 pàgines
...or sidereal, of the three first satellites seen from the centre of Jupiter, are such that the motion of the first satellite minus three times that of the second, plus twice that of the third, is nearly equal to the semicircumference. This equality is so near, that we are tempted to consider it... | |
 | James Smith - 1815 - 684 pàgines
...three times the mean motion of the second. And theiucan sidereal or synodical longitude of the first, minus three times that of the second, plus twice that...of the third, is always equal to two right angles. When the satellites fall into the shadow of the primary, we lose sight of them for a lime, and they... | |
 | Edward T W. Polehampton - 1815 - 568 pàgines
...times the mean mot ion .of the second. Ami, t !iimean sidereal or.synodicalloogitu.de of the first, minus three times that of the second, plus twice that of the third, U always equal to two right angles. • , .__.;• , . •. .,.,,. The satellites of Jupiter are liable... | |
 | 1818 - 400 pàgines
...instant ; but the absolute mean longitudes themselves are subject to a law equally remarkable : this is, that the mean longitude of the first satellite minus...second, plus twice that of the third, is always equal to a semicircumference, or 180°. The relation applies equally to the mean longitudes, either synodic... | |
 | Robert Woodhouse - 1818 - 572 pàgines
...found by observation to exist between the mean longitudes of the three first satellites. It is this ; the mean longitude of the first Satellite minus three...that of the second plus twice that of the third is equal to 1 80° ; in symbols, then, (nt + e) - 3 (n' t + O + 2 («" t + «") = 180°, consequently,... | |
 | Edward Polehampton, John Mason Good - 1818 - 590 pàgines
...the second. And, the nitMn sidereal or synodicallongitude of the first, minus three times that ill' the second, plus twice that of the third, is always equal to two right angles. The satellites of Jupiter are liable to be eclipsed by passing through his shadow ; and, on the other... | |
 | John Mason Good - 1819 - 910 pàgines
...mean motion of me second. And the meun sidereal or synodical longitude of the first, minus three limes that of the second, plus twice that of the third, is always equal to two right angle-). The satellites of Jupiter arc liable to be eclipsed by passing through his shadow ; and, on... | |
 | John Playfait - 1822 - 550 pàgines
...from the theory of the action of the satellites. Another singularity in this secondary system, is, that the mean longitude of the first satellite minus...that of the second, plus twice that of the third, never differs from two right angles, but by a quantity almost insensible. One can hardly suppose that... | |
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