 | H. W. Jeans - 1858 - 314 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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 Seiten
...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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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. 
