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Books Books 71 - 80 of 87 on The third, viz. that the squares of the periodic times are proportional to the cubes....
" The third, viz. that the squares of the periodic times are proportional to the cubes of the mean distances... "
History of Astronomy - Page 53
by George Forbes - 1909 - 200 pages
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Selected Writings (Values in a Universe of Chance)

Charles Sanders Peirce - Philosophy - 1958 - 446 pages
...maturest deliberation a poor girl eighteen years younger than himself. At forty-six, he discovered the "third law," that the squares of the periodic times...are proportional to the cubes of the mean distances, not a discovery involving any difficult reasoning, yet leading at once, had he only been able to see...
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The Peripatetic University: Cambridge Local Lectures, 1873-1973

Edwin Welch - 1973 - 229 pages
...one of the foci. (2) A line joining the planet and the sun sweeps out equal areas in equal times. (3) The squares of the periodic times are proportional to the cubes of the mean distances from the sun. Explain the meaning of the various technical words used in these laws. 6. What is it that renders an...
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Mathematical Modelling

Jagat Narain Kapur - Mathematical models - 1988 - 259 pages
...If Ti, T2 are the time periods of two planets with orbital radii ri, r2, then 7?/Г| = r]lr\, (8) so that the squares of the periodic times are proportional to the cubes of the radii of the orbits. (c) Motions of Satellites Satellites move under the attraction of the Earth in...
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Space and Time, Matter and Mind: The Relationship Between Reality and Space-time

Wolfram Schommers - Science - 1994 - 163 pages
...one focus. 2. The vector radius from the sun to the planet sweeps over equal areas in equal times. 3. The squares of the periodic times are proportional to the cubes of the major axes. These three laws distinctly reflect that the geocentric world view no longer had a basis...
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The Visible and the Invisible: Matter and Mind in Physics

Wolfram Schommers - Science - 1998 - 246 pages
...one focus. 2. The vector radius from the sun to the planet sweeps over equal areas in equal times. 3. The squares of the periodic times are proportional to the cubes of the major axes. These three laws distinctly show that the geocentric world view no longer had a basis for...
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Isaac Newton: Eighteenth Century Perspectives

Alfred Rupert Hall, Sir Isaac Newton - History - 1999 - 215 pages
...supposed that, considering first one and then another of the bodies that circle round the same centre, the squares of the periodic times are proportional to the cubes of the distances, it appears as a consequence that the central force of the nearest [to the centre] must be...
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A Modern Approach to Classical Mechanics

Harald Iro - Science - 2002 - 442 pages
...for any planet, A/ =* ms, we have T2 "~n3 2 "u ct . This is The third law: The squares of the periods are proportional to the cubes of the mean distances from the sun. The validity of the third law can be checked from the periods and mean distances of the planets from...
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Adult and Continuing Education: Liberal adult education (part 2)

Peter Jarvis, Colin Griffin - Adult education - 2003 - 456 pages
...one of the foci. (2) A line joining the planet and the sun sweeps out equal areas in equal times. (3) The squares of the periodic times are proportional to the cubes of the mean distances from the sun. Explain the meaning of the various technical words used in these laws. 6. What is it that renders an...
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Renaissance and Reformation: Index

James Patrick - Juvenile Nonfiction - 2007 - 1663 pages
...periodic times (the periodic time is the time it takes a planet to go around the sun) of any two planets are proportional to the cubes of the mean distances from the sun. His textbook Epitome of Copernican Astronomy, published in 1620, became the means of disseminating...
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The National Magazine: Devoted to Literature, Art, and Religion, Volume 8

Abel Stevens, James Floy - 1856
...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 of his " Mysterium Cosmographicum,"...
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