| 1981 - 1174 pages
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| 1975 - 594 pages
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| 1857 - 422 pages
...their revolutions bear a determinate relation to their distances from the sun; and (3), that a radius drawn from the sun to a planet sweeps out equal areas in equal times. The consideration of these laws, combined with those of falling bodies, led Newton to the hypothesis... | |
| William Francis Magie - 1911 - 588 pages
...The path of a planet is an ellipse, with one of its foci situated in the sun. 2. The radius vector drawn from the sun to a planet sweeps out equal areas in equal times. 3. The squares of the periodic times of the planets are proportional to the cubes of the semi-major... | |
| William Francis Magie - 1911 - 588 pages
...The path of a planet is an ellipse, with one of its foci situated in the sun. 2. The radius vector drawn from the sun to a planet sweeps out equal areas in equal times. 3. The squares of the periodic times of the planets are proportional to the cubes of the semi-major... | |
| Devendra NĂ¡th Mallik - 1921 - 252 pages
...orbits of the planets are ellipses (with the sun at one of the focii). (2) The radius vector joining the sun to a planet sweeps out equal areas in equal times. (8) The square of the time taken by a planet to complete its orbit is proportional to the cube of its... | |
| Louis Brand - 1930 - 584 pages
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