Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" But, in the midst of all these vicissitudes, the length of the major axes and the mean motions of the planets remain permanently independent of secular changes. They are so connected by Kepler's law, of the squares of the periodic times being proportional... "
Mechanism of the Heavens - Page xiv
by Mary Somerville - 1831 - 621 pages
Full view - About this book

Newton's Principia, First Book, Sections I., II., III.: With Notes and ...

Isaac Newton, Percival Frost - 1878 - 326 pages
...produced by the planets on each others orbits, the statement of Kepler's third law should be amended to " The cubes of the mean distances of the planets from the sun are as the squares of the periodic times multiplied into the sum of the masses of the sun and the planet....
Full view - About this book

Heroes of Science: Astronomers

Edward John Chalmers Morton - 1882 - 372 pages
...the laborious calculations in which he was involved. The result he ultimately arrived at was that " The cubes of the mean distances of the planets from the sun are to one another as the squares of the times they take to describe their orbits." His delight at...
Full view - About this book

The Science of Mechanics: A Critical and Historical Account of Its Development

Ernst Mach - 1893 - 648 pages
...joining each planet with the laws. Their . . part in the sun describes equal areas in equal times. 3) The cubes of the mean distances of the planets from the sun are proportional to the squares of their times of revolution. He who clearly understands the doctrine...
Full view - About this book

The Science of Mechanics: A Critical and Historical Exposition of Its Principles

Ernst Mach - 1893 - 566 pages
...with the laws. Their , . ,' . % . part in the sun describes equal areas in equal times. discovery. 3) The cubes of the mean distances of the planets from the sun are proportional to the squares of their times of revolution. He who clearly understands the doctrine...
Full view - About this book

Principia: First Book. sections I, II, III

Isaac Newton - 1900 - 320 pages
...produced by the planets on each others orbits, the statement of Kepler's third law should be amended to " The cubes of the mean distances of the planets from the sun are as the squares of the periodic times multiplied into the sum of the masses of the sun and the planet....
Full view - About this book

A Text-book of Physics

William Watson - 1902 - 1022 pages
...at one of the foci. 3. The squares of the time taken to describe its orbit by different planets are proportional to the cubes of the mean distances of the planets from the sun. Thus if 7\ and Tt are the times taken by two planets to describe their orbits, and Z>, and Z>2 are...
Full view - About this book

Astronomy for Everybody

Simon Newcomb - 1902 - 368 pages
...swept over by the line joining the planet and sun in equal times are all equal. The third law is that the cubes of the mean distances of the planets from the sun arc proportional to the squares of their times of revolution. This law requires some illustration....
Full view - About this book

Laws of Physical Science: A Reference Book

Edwin Fitch Northrup - 1917 - 232 pages
...acceleration toward the sun is constant.) (Consult Mach, Science of Mechanics, p. 188.) KEPLER'S THIRD LAW. The cubes of the mean distances of the planets from the sun are proportional to the squares of their times of revolution about the sun. This law may be stated...
Full view - About this book

The Elements of Astronomy: A Non-mathematical Textbook for Use as an ...

Edward Arthur Fath - 1926 - 328 pages
...with the sun at one focus. 2. The radius vector of a planet sweeps over equal areas in equal times. 3. The cubes of the mean distances of the planets from the sun are proportional to the squares of their sidereal periods. 1. From the historical standpoint the first...
Full view - About this book

The Scientific World of Copernicus: On the Occasion of the 500th Anniversary ...

B. BiƩkowska - 1973 - 170 pages
...problem which preoccupied his thoughts for over twenty years. In the terminology of his day it states: the cubes of the mean distances of the planets from the Sun, divided by the squares of the periods of revolution, are equal for all the planets. The experiments...
Limited preview - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF