| H. W. Jeans - 1858 - 314 páginas
...the equator with the mean velocity of the true sun. A mean solar day may therefore be defined to be **the interval between two successive transits of the mean sun over the same meridian.** It begins when the mean sun is on the meridian. To find the daily motion of the mean sun in the equator.... | |
| Thomas Liddell Ainsley - 1864 - 360 páginas
...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 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... | |
| Henry William Jeans - 1868 - 228 páginas
...celestial equator with the mean velocity of the true sun. A mean solar day may therefore be defined to be **the interval between two successive transits of the mean sun over the same meridian.** It begins when the mean sun is on the meridian. To find the daily motion of the mean sun in the celestial... | |
| Henry William Jeans - 1870 - 288 páginas
...celestial eynalur with the mean velocity of the true sun. A mean solar day may therefore be defined to be **the interval between two successive transits of the mean sun over the same meridian.** It begins when the mean sun is on the meridian. (67.) Sidereal time is the angle at the pole of the... | |
| Henry Evers - 1873 - 152 páginas
...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... | |
| John Bradley Harbord - 1883 - 472 páginas
...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... | |
| Nathaniel Bowditch - 1888 - 704 páginas
...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... | |
| William Carpenter Pendleton Muir - 1906 - 754 páginas
...ecliptic, and the time measured by the motions of this mean sun is called mean time. A mean solar day is **the interval between two successive transits of the mean sun over the** upper branch of the same meridian, and mean solar time at a given place is the hour angle of the mean... | |
| William Carpenter Pendleton Muir - 1906 - 756 páginas
...ecliptic, and the time measured by the motions of this mean sun is called mean time. A mean solar day is **the interval between two successive transits of the mean sun over the** upper branch of the same meridian, and mean solar time at a given place is the hour angle of the mean... | |
| 1917 - 1082 páginas
...navigator is the apparent solar day. Mean Time 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. Mean noon is the instant when the mean sun's hour angle coincides with the meridian. Mean... | |
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