Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian are not exactly equal, but depend upon the variable motion of the sun in right ascension. The want of uniformity in the sun's... "
The American Ephemeris and Nautical Almanac - Page 473
by United States Naval Observatory. Nautical Almanac Office - 1860
Full view - About this book

An Elementary Treatise on Plane & Spherical Trigonometry: With Their ...

Benjamin Peirce - 1845 - 498 pages
...The want of uniformity in the sun's tnotion in right ascension arises from two different causes. I. The sun does not move in the equator, but in the ecliptic. II. The sun's motion in the ecliptic is not uniform. The variable motion of the sun along the ecliptic,...
Full view - About this book

An Elementary Treatise on Plane & Spherical Trigonometry: With Their ...

Benjamin Peirce - 1845 - 498 pages
...The want of uniformity in the sun's motion in right ascension arises from two different causes. I. The sun does not move in the equator, but in the ecliptic. II. The sun's motion in the ecliptic is not uniform. The variable motion of the sun along the ecliptic,...
Full view - About this book

Surveyor's and Engineer's Companion: a Comcise Treatise on Mathematical ...

William Schmolz - 1859 - 196 pages
...ascension. The want of uniformity in the sun-s motion in right ascension arises from two different canses; one, that the sun does not move in the equator, but in the ecliptic; the other, that the sun-s motion in the ecliptic is not uniform. To avoid the irregularity in time cansed by the want of...
Full view - About this book

A Manual of Spherical and Astronomy: Embracing the ..., Part 32, Volume 1

William Chauvenet - 1864 - 726 pages
...each other. But the sun's motion in right ascension is not uniform, and this for two reasons: 1st. The sun does not move in the equator, but in the ecliptic, so that, even were the sun's motion in the ecliptic uniform, its equal changes of longitude would not...
Full view - About this book

A Manual of Spherical and Pratical Astronomy: Embracing the ..., Volume 1

William Chauvenet - 1864 - 720 pages
...each other. But the sun's motion in right ascension is not uniform, and this for two reasons : 1st. The sun does not move in the equator, but in the ecliptic, so that, even were the sun's motion in the ecliptic uniform, its equal changes of longitude would not...
Full view - About this book

The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1872 - 558 pages
...measure of time. But the intervals between the successive returns of the sun to the meridian annot exactly equal, but depend upon the variable motion...move in the equator, but in the ecliptic ; the other, thai the sun's motion in the ecliptic is not uniform. To avoid the irregularity in time caused by the...
Full view - About this book

The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1876 - 550 pages
...equal, but depend upon tlio variable motion of the sun in right ascension. The want of uniformity ill the sun's motion in right ascension arises from two...different causes; one, that the sun does not move in the «quiitor, but in the ecliptic; the other, that the sun's motion in tho ecliptic is not uniform. To...
Full view - About this book

The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1876 - 552 pages
...want of uniformitv in the sun's motion in ri"ht ascension arises from two different J • •anses; one, that the sun does not move in the equator, but in the ecliptic; the other, that thu sun'sTnotion in the ecliptic is not uniform. To avoid the irregularity in time caused by ihc want...
Full view - About this book

Navigation and Nautical Astronomy

John Huntington Crane Coffin - 1898 - 240 pages
...days. uniform, varying from 3m 35s to 4m 26s in a solar day. There are two reasons for this, — 1. The sun does not move in the equator, but in the ecliptic. 2. Its motion in the ecliptic is not uniform, being most rapid at the time of the earth's perihelion,...
Full view - About this book

Mathematics, mechanics, heat

American School (Chicago, Ill.) - 1903 - 392 pages
...meridian, it is apparent noon at that place. The apparent day varies in length from two causes: first, the sun does not move in the equator but in the ecliptic, the plane of the ecliptic making an angle with the plane of the equator equal to the inclination of the...
Full view - About this book




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