Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... examined, are now readily accounted for by the fact that the earth's axis of rotation neither coincides with the plane of the ecliptic nor is perpendicular to it, but is inclined under an angle, which is readily measured, and which is found to undergo... "
A Mathematical Geography: With a Supplement Containing an Outline of ... - Page 63
by Edward Payson Jackson - 1872 - 138 pages
Full view - About this book

Popular Astronomy: A Concise Elementary Treatise on the Sun, Planets ...

Ormsby MacKnight Mitchel - Astronomy - 1860 - 424 pages
...readily measured, and which is found to undergo a very slow change from century to century. In case the earth's axis were perpendicular to the plane of the ecliptic, then the illuminated hemisphere of the earth would always be bounded by a meridian circle, and every inhabitant...
Full view - About this book

Popular Astronomy: A Concise Elementary Treatise on the Sun, Planets ...

Ormsby MacKnight Mitchel - Astronomy - 1860 - 396 pages
...readily measured, and which is found to undergo a very slow change from century to century. In ease tho earth's axis were perpendicular to the plane of the ecliptic, then the illuminated hemisphere of the earth would always be bounded by a meridian circle, and every inhabitant...
Full view - About this book

The Earth in Space

Edward Payson Jackson - 1887 - 100 pages
...Length of Day and Night. THE CHANGE OF SEASONS. — THE VARIATION nsr THE LENGTH OF DAY AND NIGHT. 94. Suppose the Earth's Axis were Perpendicular to the Plane of the Ecliptic (Fig. 25), then the plane of the ecliptic would coincide with the equator, and the sun would, accordingly,...
Full view - About this book

How to Study Geography: By Francis W. Parker. Prepared for the Professional ...

Francis Wayland Parker - Geography - 1888 - 428 pages
...always pointed toward the sun; what would be the result? Illustrate and lead pupils to discover. 2. Suppose the earth's axis were perpendicular to the plane of the ecliptic; what would be the result ? 3. Suppose > the earth's axis were inclined 45 degrees to the plane of its...
Full view - About this book




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