 As the time deduced from observation of the true Sun is called true or apparent time, so the time deduced from the mean Sun, or indicated by the machines which represent its motion, is denominated mean time.  Advanced Physiography - Page 204by John Thornton (M.A.) - 1890 - 342 pagesFull view - About this book
 | Ephemerides - 1833 - 634 pages
...represent it, is denominated mean time. We cannot immediately obtain mean time from observation ; hut, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it. Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
 | Nautical almanacs - 1834 - 694 pages
...its motion, is denominated mean time. We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it. Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
 | Nautical almanacs - 1835 - 548 pages
...immediately obtain mean time from observado vation of the true Sun, with the aid of the equation of tin distance in time between the mean and the true Sun,...Suppose the true Sun to be observed on the meridian c it would then be apparent noon at that meridian ; the is 3m 50'-54, and, by the precept at the head... | |
 | Nautical almanacs - 1835 - 618 pages
...motion, is denom mean time. We cannot immediately obtain mean time from observation ; but, from vation of the true Sun, with the aid of the equation of time, which ig ti distance in time between the mean and the true Sun, we may readib Suppose the true Sun to be... | |
 | Ephemerides - 1841 - 630 pages
...its motion, is denominated mean time. We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it. Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
 | Ephemerides - 1842 - 624 pages
...its motion, is denominated mean time. We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it. Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
 | Ephemerides - 1843 - 634 pages
...its motion, is denominated mean time. We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it. Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
 | Alexander Baharie - 1844 - 218 pages
...day ; and in that of a star a sidereal day. Q. What is the equation of time? A. The equation of time is the angular distance in time between the mean and the true sun. Q. What is refraction ? A. Refraction is an inflection of the rays of light proceeding from the heavenly... | |
 | Ephemerides - 1846 - 646 pages
...its motion, is denominated mean time. We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid of the equation of time, which is the angulnr distance in time between the mean and the trae Sun, we may readily deduce it. Suppose the true... | |
 | Ephemerides - 1850 - 668 pages
...its motion, is denominated mean time. "We cannot immediately obtain mean time from observation ; but, from an observation of the true Sun, with the aid...distance in time between the mean and the true Sun, we may readily deduce it Suppose the true Sun to be observed on the meridian of Greenwich, Jan. 1,... | |
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