 | John Gummere - 1837 - 506 pages
...ensuing year, the time of the sun's return to the vernal equinox will be known. 8. The interval of time between two consecutive returns of the sun to the vernal equinox is called a Tropical Year. The ancient astronomers determined the length of the year from the sun's return to the same tropic,... | |
 | John Gummere, Ezra Otis Kendall - 1854 - 484 pages
...longitude when he is at S, and QEs his mean longitude ; and these differ by the angle SEs. 158. Anomalistic year. The interval between two consecutive returns of the sun to the perigee is called an anomalistic year. Hence as 360° — 50".2 : 360° + 11".3 : : length of tropical... | |
 | W.H.C. BARTLETT,LL.D., - 1865 - 494 pages
...n the true motion, then will, Analytical Mechanics, equation (266), 42 § 184. The interval of time between two consecutive returns of the sun to the vernal equinox is called a tropical year. If T denote the length of the tropical year, then will the value of m, in equation (43), be the earth's... | |
 | Elias Loomis - 1866 - 384 pages
...the Nautical Almanac. The Calendar. 124. The Julian Calendar. — The interval between two successive returns of the sun to the vernal equinox,' is called a tropical year. Its average length expressed in mean solar time is 865d. 5h. 48m. 47.8s. But in reckoning time for... | |
 | Elias Loomis - 1870 - 398 pages
...the Nantical Almanac. The Calendar. 124. The Juhan Calendar. — The interval between two successive returns of the sun to the vernal equinox, is called a tropical year. Its average length expressed in mean solar time is 365d. 5h. 48m. 47.8s. But in reckoning time for... | |
 | Elias Loomis - 1870 - 274 pages
...commonly practiced by navigators. 124. The Julian Calendar. — The interval between two successive returns of the sun to the vernal equinox is called a tropical year. Its average length, expressed in mean solar time, is 365d. 5h. 48m. 48s. But in reckoning time for... | |
 | Elias Loomis - 1897 - 264 pages
...commonly practiced by navigators. 124. The Julian Calendar. — The interval between two successive returns of the sun to the vernal equinox is called a tropical year. Its average length, expressed in mean solar time, is 365d. 5h. 48m. 48s. But in reckoning time for... | |
 | Henry Woldmar Ruoff - 1900 - 770 pages
...consists of 365 days, 6 hours, 9 minutes, and 9.6 seconds, which is invariable. The Tropical Year is the interval between two consecutive returns of the Sun to the Vernal Equinox. If this were a fixed point, the Sidereal and Tropical Years would be identical ; but in consequence... | |
 | 1942 - 1020 pages
...hours, 9 minutes and 9 6 seconds. The Tropical Year, on which the return of the seasons depends, Is the interval between two consecutive returns of the Sun to the Vernal Equinox. If this were a fixed point, the Sidereal and Tropical Years would be Identical; but in consequence... | |
 | 1923 - 1054 pages
...constats of 365 daya в hours 0 minutes and 9.6 seconds, which is Invariable. The Tropical Year la the Interval between two consecutive returns of the sun to the Vernal Equinox. If this were a fixed point, the Sidereal and Tropical Years would be Identical: but In consequence... | |
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Year, and consists of 365 days, в hours, 9 minutes, and 9. 6 seconds, which is invariable. The Tropical Year is the interval between two consecutive returns of the Sun to the Vernal Equinox. 