 | H. W. Jeans - Nautical astronomy - 1853 - 314 pages
...sidereal day, the apparent solar day, and the mean solar day. 18. The sidereal day is the interval between two successive transits of the first point of Aries over the same meridian. It begins when that point of Aries is on the meridian. The apparent solar day is the interval... | |
 | H. W. Jeans - Nautical astronomy - 1858 - 314 pages
...sidereal day, the apparent solar day, and the mean solar day. 18. The sidereal day is the interval between two successive transits of the first point of Aries over the same meridian. It begins when that point of Aries is on the meridian. The apparent solar day is the interval... | |
 | William Schmolz - 1859 - 196 pages
...to the same meridian. Solar Time. — Solar Time is measured by the daily motion of the sun. A 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... | |
 | John Bradley Harbord - Astronomy - 1865 - 52 pages
...point in the celestial concave fixed upon as the point of definition. (1.) Sidereal Day : The interval between two successive transits of the first point of Aries over the same meridian. (2.) Apparent Solar Day : The interval between two successive transits of the actual sun's... | |
 | Henry William Jeans - 1868 - 228 pages
...sidereal day, the apparent solar day, and the mean solar day. 41. The sidereal day is the interval between two successive transits of the first point of Aries over the same meridian. It begins when the first point of Aries is on the meridian. The apparent solar day is the... | |
 | Charles Joyce White - Astronomy - 1872 - 300 pages
...motion 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... | |
 | James Stormonth - 1879 - 810 pages
...day, the period from sunset to sunset: sidereal day, the day measured by the stars, being the interval between two successive transits of the first point of Aries over the same meridian : solar day, the day measured by the eun, being the interval between two successive transits... | |
 | Simon Newcomb, Edward Singleton Holden - Astronomy - 1879 - 534 pages
...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... | |
 | Simon Newcomb, Edward Singleton Holden - Astronomy - 1881 - 584 pages
...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... | |
 | John Bradley Harbord - Naval art and science - 1883 - 472 pages
...24'', a sidereal day 23h 56° 4-09', and an average lunar day 24h 54m. Day, Sidereal. — The interval between two successive transits of the first point of Aries over the same meridian, the first point of Aries being the origin to which the positions of all stars are referred.... | |
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A 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. 
