 | Thomas Liddell Ainsley - 1864 - 360 pages
...parallel. A uniform measure of time is obtained by the invention of the Mean Solar Dai/. MEAN SOLAB DAY is the interval between two successive transits of the...; it begins when the mean sun is on the meridian. This fictitious body is conceived to move in the equinoctial with the mean motion of the actual sun... | |
 | John Bradley Harbord - 1865 - 52 pages
...between two successive transits of the actual sun's centre over the same meridian. (3.) Mean Solar Day: The interval between two successive transits of the mean sun over the same meridian ; the Mean Sun being a fictitious body which is conceived to move uniformly in the equinoctial with... | |
 | Henry William Jeans - 1868 - 228 pages
...follows. An imaginary, or as it is called a mean sun, is supposed to move uniformly in the celestial equator with the mean velocity of the true sun. A...meridian. To find the daily motion of the mean sun in the celestial equator. 45. The mean solar year, or the time the sun takes to return again to the first... | |
 | Thomas Liddell Ainsley - 1869 - 450 pages
...of the Mean Solar Day. MEAN SOLAR DAY is the interval between two successive transits of the mean mn over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is conceived to move in the equinoctial with the mean motion of the actual sun... | |
 | Henry William Jeans - 1870 - 288 pages
...An imaginary, or as it is called a mean sun, is supposed to move uniformly in the celestial eynalur with the mean velocity of the true sun. A mean solar...meridian. It begins when the mean sun is on the meridian. (67.) Sidereal time is the angle at the pole of the heavens between the celestial meridian and a circle... | |
 | Henry Evers - 1873 - 152 pages
...transits of a celestial body across the same meridian. 48. Mean Solar Day. — A mean solar day is the interval between two successive transits of the mean sun over the same meridian. 49. Mean Time is time measured and indicated by the mean sun. It may also be defined as the angle at... | |
 | Thomas Liddell Ainsley - 1875 - 416 pages
...invention of the Mean Solar Day. 275. Mean Solar Day is the interval between two successive transite of the mean sun over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is conceived to move in the equinoctial with the mean motion of the actual sun... | |
 | John Bradley Harbord - 1883 - 472 pages
...parallel. A uniform measure of time is obtained by the invention of the Mean Solar Day. Day, Mean Solar — The interval between two successive transits of the mean sun over the same meridian ; it begins when tho mean sun is on the meridian. This fictitious body is conceived to move in the equinoctial with... | |
 | Nathaniel Bowditch - 1888 - 704 pages
...uniform motion in the equinoctial. Art. 21в» Mean time is the hour-angle of the mean sun. A mean day is the interval between two successive transits of the mean sun over the meridian. Alean noon is the instant when the mean sun's hour-circle coincides with the meridian. Mean... | |
 | John Bradley Harbord - 1897 - 554 pages
...the Afcan Solar Day. Day, Mean Solar.—The interval between two successive transits of the mean tun over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is conceived to move in the equinoctial with the mean motion of the actual sun... | |
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Mean Solar Day is the interval between two successive transits of the mean sun over the same meridian ; it begins when the mean sun is on the meridian. 
