 | Janet Taylor - 1842 - 592 pages
...adapted to nautical practice. ON FINDING THE LONGITUDE, BY OBSERVATION. lT has been already remarked that the interval of time between two successive transits of the sun over the meridian of any place, is called a natural day, bcing in fact the time in which, by the rotation of... | |
 | Charles Joyce White - 1872 - 300 pages
...towards the west, which the rotation of the earth gives to all celestial bodies and points. A sidereal day is the interval of time between two successive transits of the vernal equinox over the same branch of the meridian. A solar day is the interval between two similar... | |
 | United States Naval Observatory. Nautical Almanac Office - 1876 - 550 pages
...period of nineteen years, and is, therefore, of no practical importance. Solar Time. — Solar time is measured by the daily motion of the sun. A Solar...interval of time between two successive transits of tho sun over the same meridian ; and the hour angle of the sun is called Solar Time. This is the most... | |
 | United States Naval Observatory. Nautical Almanac Office - 1878 - 550 pages
...period of nineteen years, and is, therefore, of no practical importance. Solar Time. — Solar time is measured by the daily motion of the sun. A Solar...between two successive transits of the sun over the same meridiar. ; and the hour angle of the sun is called Solar Time. This is the most natural and direct... | |
 | United States Naval Observatory. Nautical Almanac Office - 1879 - 568 pages
...Astronomers make use of several different kinds of time : mean solar time ; true, or apparent solar time; and sidereal time. Solar Time. — Solar time is that used for all the ordinary purposes of life, and is measured by the daily motion of the sun. A Solar Day is the interval... | |
 | Simon Newcomb, Edward Singleton Holden - 1881 - 584 pages
...was zero. We thus have to recognize two slightly different kinds of days : solar days and mean days. A solar day is the interval of time between two successive transits of the sun over the same meridian, while a mean day is the mean of all the solar days in a year. If we had two clocks, the one going with... | |
 | 1883 - 558 pages
...Astronomers make use of several différent kinds of time: mean solar time; true, or apparent •olar time ; and sidereal time. Solar Time. — Solar time...life, and is measured by the daily motion of the sun. Л Solar Day is the interval of time between two successive transits of the sun over the same meridian... | |
 | Nathan Newby - 1884 - 206 pages
...is called time. The Primary Unit. The average solar day is taken as the primary unit of time. (1.) A Solar day is the interval of time between two successive transits of the vertical rays of the sun across a given meridian. This interval varies at different times. (2.) The... | |
 | Titbits - 1884 - 376 pages
...to the next, is twelve hours twenty-four minutes, very nearly, or just, half a " lunar" day. A lunar day is the interval of time between two successive transits of the moon across the meridian. 196. — Whence arose the expression " bine stocking" ? A blue-stocking really... | |
 | John Merrifield - 1886 - 376 pages
...will be the average of all the apparent solar days in the year. This is the mean solar day. A MEAN SOLAR DAY is the interval of time between two successive transits of the mean sun across any meridian. It begins when the mean sun is on the meridian. Next suppose a star to... | |
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A Solar Day is the interval of time between two successive transits of the sun over the same meridian; and tho hour-angle of the sun is called Solar Time. 
