 | Henry William Jeans - 1868 - 228 pages
...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 interval between two successive transits of the sun's center over the same meridian. It begins when that point is on the meridian. 42. The length of... | |
 | William James Rolfe, Joseph Anthony Gillet - 1868 - 328 pages
...42.) A sidereal day is the interval between two successive transits of a star across the meridian. The solar day is the interval between two successive transits of the sun across the meridian. (15.) The solar days are of unequal length. The ordinary civil day is the average... | |
 | William Thomas Read - 1869 - 176 pages
...apparent or true Sun. 31. Sidereal time is the westerly hour angle of the 1st point of aries. 32. An apparent solar day is the interval between two successive transits of the true Sun across the same meridian. 33. A mean solar day is the interval between two successive transits... | |
 | Thomas Liddell Ainsley - 1869 - 450 pages
...taken from 90', is tho polar distance. EXAMPLES. LAT. DECLI N N 8 N S 8 TO FIND THE EQUATION OF TIME. APPARENT SOLAR DAY, is the interval between two successive transits of the actual sun's centre over the same meridian ; it begins when that point is on the meridian. The apparent... | |
 | Elias Loomis - 1870 - 274 pages
...time, corresponds to July 3d, 21 hours of astronomical time. 117. Apparent Time and Mean Time. — An apparent solar day is the interval between two successive transits of the sun's centre over the same meridian. Apparent time is time reckoned in apparent solar days, while mean... | |
 | John William Colenso - 1871 - 238 pages
...= } pt., congius = 6 seatf. = 3 qts., modius = 2 gals., araa = 3 gals., amphora = 6 gals. A •SWor Day is the interval between two successive transits of the Sun over the meridian of any place ; but, from several causes, this interval is continually varying, though slightly,... | |
 | Henry Evers - 1873 - 152 pages
...and the circle of declination passing over the place of the mean sun. 50. Apparent Solar Day. — An apparent solar day is the interval between two successive transits of the sun over the same meridian. 51. Apparent Time is time measured and indicated by the apparent or true sun. It may also be defined... | |
 | Thomas W. Piper - 1874 - 352 pages
...is a MEAN SOLAR DAY, -which is the mean, or average, of all the apparent solar days in the year. An apparent solar day is the interval between two successive transits of the sun over the meridian of any place. NB— The Common or Civil Tear contains 365 of these days, but the Solar Tear,... | |
 | Alfred Wilks Drayson - 1874 - 346 pages
...revolution, the star will be brought on once oftener. We define a solar day as the interval of time between two successive transits of the sun over the same meridian, and a siderial day as the interval between two successive transits of a star over the same meridian, and... | |
 | Thomas Liddell Ainsley - 1875 - 416 pages
...12 Л2 12 Г 2 N. . ., S 6i Л9 it K l Í or 77 102 48 ii a 5» TO FIND THE EQUATION OF TIME. 274. Apparent Solar Day is the interval between two successive transits of the actual sun's centre over the same meridian; it begins when that point is on the meridian. The apparent... | |
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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. 
