 | William Nicholson - 1809 - 722 pages
...ones do round their centre the .Sun; viz. in such manner that, in the satellites of the same planet, the squares of the periodic times are proportional to the cubes of their distances from the primary planet. SATELLITE« of Jupiter, are four little moons, or secondary... | |
 | Charles Hutton - Astronomy - 1815 - 686 pages
...do round their centre the sun ; viz, in ¡>ueh a maniirr that, in the satellites of the same planet, the squares of the periodic times are proportional to the cubes of their distances from the primary planet. For the physical cause of their motions, see GRAVITY. See... | |
 | William Nicholson - Natural history - 1821 - 384 pages
...ones do round their centre the Sun ; viz. in such manner, that, in the satellites of the same planet, the squares of the periodic times are proportional to the cubes of their distances from the primary planet. SATELLITES of Jupiter, are four little moons, or secondary... | |
 | William Nicholson - Natural history - 1821 - 382 pages
...ones do round their centre the Sun ; viz. in such manner, that, in the satellites of the same planet, the squares of the periodic times are proportional to the cubes of their distances from the primary planet. SATELLITES of Jupiter, are four little moons, or secondary... | |
 | James Mitchell - Mathematics - 1823 - 666 pages
...mean distances. Farther, it is rigorously demonstrable, that when bodies circulate in such manner that the squares of the periodic times are proportional to the cubes of the distances, the central force which actuates them is in the inverse ratio of the square of the distance... | |
 | George Miller - History - 1824 - 538 pages
...proportional to the times ; 3. that in the movements of different planets round the same central body the squares of the periodic times are proportional to the cubes of the mean distances. The Rhodolphirie tables of the planetary movements, in constructing which he assisted... | |
 | 1824 - 492 pages
...if the projectile force does not exceed a certain limit, will become an ellipse. The third law, that the squares of the periodic times are proportional to the cubes of the distances, is a property which belongs to the bodies describing elliptic orbits, according to the conditions... | |
 | Thomas Curtis - Aeronautics - 1829 - 852 pages
...sector S Pp by the time, t, and the sector varies as *Ja ; therefore Q varies as i^/07 253. Again, the squares of the periodic times are proportional to the cubes of the transverse axes. For let 6 be the less, </ the greater axis, and a the parameter ; then by conies ad... | |
 | Sir George Biddell Airy - Gravitation - 1834 - 252 pages
...ellipses ; that the radius vector in each orbit passes over areas proportional to the times, and that the squares of the periodic times are proportional to the cubes of the mean distances, are commonly called Kepler's laws. They were discovered by Kepler from observation,... | |
 | Encyclopedias and dictionaries - 1839 - 518 pages
...constitute two of the three celebrated truths known by the name of Kepler's laws. The third, viz. that the squares of the periodic times are proportional to the cubes of the mean distances from the sun, was not discovered till twelve years after, although, before the publication... | |
| |
... that the squares of the periodic times are proportional to the cubes of the mean distances of the planets from the Sun. 
