 | Benjamin Peirce - 1845 - 498 ページ
...and is altogether insensible. 87. Corollary. The difference between the sideral time of différent places is exactly equal to the difference of the longitude...this motion. 89. 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,... | |
 | United States Naval Observatory. Nautical Almanac Office - 1852 - 580 ページ
...distance from the meridian, js called Solar Time. 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, The want of uniformity in the sun's motion in right ascension arises from two different causes ; one,... | |
 | William Schmolz - 1859 - 196 ページ
...hour angle of the sun is called Solar Time, This is the most natural and direct measure of time. But the intervals between the successive returns of the...the variable motion of the sun in right ascension. The want of uniformity in the sun-s motion in right ascension arises from two different canses; one,... | |
 | United States Naval Observatory. Nautical Almanac Office - 1860 - 566 ページ
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the...the variable> motion of the sun in right ascension. - The want of uniformity in the sun's motion in right ascension arises from two different causes ;... | |
 | United States Naval Observatory. Nautical Almanac Office - 1865 - 572 ページ
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian arc not exactly equal, but depend upon the variable motion of the sun in right ascension. The want... | |
 | 1869 - 104 ページ
...minute hand of a clock passes round the dial thirteen times in passing the hour hand twelve times. The intervals between the successive returns of the Sun to the meridian of any place average twenty-four hours ; but these intervals are not all exactly equal. The Sun is... | |
 | United States Naval Observatory. Nautical Almanac Office - 1872 - 548 ページ
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian are oot exactly equal, but depend upon the variable motion of the sun in right ascension. The want of uniformity... | |
 | United States Naval Observatory. Nautical Almanac Office - 1872 - 554 ページ
...direct measure of time. But the intervale between the successive returns of the sun to the meridian aro not exactly equal, but depend upon the variable motion of the sun in right ascension. The want of uniformity in the sun's motion in right ascension arises from two different causes; one,... | |
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Solar Day is the interval of time between two successive transits of the sun over the same meridian ; and the hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns... 