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

Systematic Education: Or Elementary Instruction in the Various ..., Volume 2

William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 pages
...times, and of course proportional to the times of describing them. He also discovered by trials, that the cubes of the mean distances of the planets from the sun, are in the same proportion as the squares of the periodical times in which they revolve about the sun....
Full view - About this book

Encyclopædia Americana: A Popular Dictionary of Arts, Sciences ..., Volume 12

Francis Lieber, Edward Wigglesworth - 1832 - 624 pages
...possess the measure of our whole planetary system, as, according to the second • law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the...
Full view - About this book

Encyclopædia Americana, ed. by F. Lieber assisted by E. Wigglesworth (and T ...

Encyclopaedia Americana - 1832 - 620 pages
...possess the measure cf our whole planetary system, as, according to the second law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the...
Full view - About this book

On the Connexion of the Physical Sciences

Mary Somerville - 1834 - 666 pages
...at the rate of about 41 '44 miles annually ; and, if it were to decrease equably, it would be 37527 years before the earth's orbit became a circle. But,...that all the bodies are in motion, and every orbit in a state of perpetual change. Minute as these changes are, they might be supposed to accumulate in...
Full view - About this book

The Connection of the Physical Sciences

Mary Somerville - 1834 - 390 pages
...at the rate of about 41.44 miles annually ; and, if it were to decrease equably, it would be 37527 years before the earth's orbit became a circle. But...that all the bodies are in motion, and every orbit in a state of perpetual change. Minute as these changes are, they might be supposed to accumulate in...
Full view - About this book

On the Connexion of the Physical Sciences

Mary Somerville - 1834 - 484 pages
...orbit became a circle. But, in the midst of all these vicissitudes, the major axes and mean motions cf the planets remain permanently independent of secular...from the sun, that one cannot vary without affecting die other. With the exception of these two elements, it appeals that all the bodies are in motion,...
Full view - About this book

The Monthly Repository, Volume 8

Leigh Hunt - 1834 - 972 pages
...which Kepler might have apprized you that, the squares of the times of the planetary revolutions are as the cubes of the mean distances of the planets from the sun. But this was not all. It was not the tone for any mere physical truth. The enunciation was that of...
Full view - About this book

On the Connexion of the Physical Sciences

Mary Somerville - 1835 - 532 pages
...so connected by Kepler's law, of the squares of the periodic times being proportional to the «ubes of the mean distances of the planets from the sun, that one cannot vary without affecting the other. And it is proved, that any variations which do take place are transient, and depend only on the relative...
Full view - About this book

Encyclopædia Americana: A Popular Dictionary of Arts, Sciences ..., Volume 12

Francis Lieber, Edward Wigglesworth - 1835 - 620 pages
...possess the measure of our whole planetary system, as, according to the second law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the...
Full view - About this book

An exposition of the nature, force, action, and other properties of ...

Joseph Denison - 1842 - 56 pages
...EXPOSITION, THE analogy discovered by Kepler in the beginning of the seventeenth century, viz., that the cubes of the mean distances of the planets from the Sun are as the squares of their periodic times, is found to be invariably consistent with observation,...
Full view - About this book




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