 | Olinthus Gilbert Gregory - 1802 - 590 sider
...circle is measured by 59' %" nearly. For 3^5'' : id : : 360° : 59' 8"-2. 111. The interval of time between two successive transits of the sun's centre over the same meridian, 72 True or foe&n is called a solar, or, as above, an astronomical day ; !«• • is measured by the... | |
 | Edward Augustus Kendall - 1811 - 962 sider
...equable, mean, or true time. The difference between true and apparent time arises from two causes, the excentricity of the earth's orbit, and the obliquity of the ecliptic. EQUATOR, in geography, a great circle of the terrestrial globe, equidistant from its poles, and dividing... | |
 | Edward Augustus Kendall - 1811 - 474 sider
...equable, mean, or true time. The difference between true and apparent time arises from two causes, the excentricity of the earth's orbit, and the obliquity of the ecliptic. EQUATOR, in geography, a great circle of the terrestrial globe, equidistant from its poles, and dividing... | |
 | 560 sider
...it occurs on the 20th day, at 11 minutes past 7 in the morning. An astronomical day is the interval between two successive transits of the Sun's centre over the same meridian, and is divided into 24 hours, reckoned from 1 to 24, without any interruption : so that what is called... | |
 | John Bonnycastle - 1816 - 490 sider
...midnight again; but an astronomical day, is the interval between noon and noon, or the time elapsed between two successive transits of the sun's centre over the same meridian. This day is also divided into twenty-four hours like the former; but instead of stopping at twelve,... | |
 | John Mason Good - 1819 - 822 sider
...and is counted twenty-four hours to the following noon. The astronomical day, or the interval of time between two successive transits of the sun's centre over the same meridian, is culled, likewise, a solar day. And the interval between two successive returns of the same fixed... | |
 | William Nicholson - 1819 - 406 sider
...equable, mean, or true time. The difference between true and apparent time arises from two causes, the excentricity of 'the earth's orbit, and the obliquity of the ecliptic. See TIWI, equation »f. EQUATOR, in geography, » great circle of the terrestrial globe, equidistant... | |
 | Thomas Arnold - 1822 - 1008 sider
...to which is opposed night, or the time between his setting and rising. Day, (astronomical,) the time between two successive transits of the sun's centre over the same meridian ; which always begins and ends at noon. Declination of the sun, moon, or stars, is their distance north or... | |
 | 1822 - 440 sider
...it occurs on the 20th day, at 11 minutes past 7 in the morning. An astronomical day is the interval between two successive transits of the Sun's centre over the same meridian, and is divided into twenty-four hours, reckoned from one to iwenty-four, without any interruption ;... | |
 | Thomas Reid - 1826 - 528 sider
...the end of the year 1825, it is 23° 27* 41''. 2. A mean day is the interval that would be observed between two successive transits of the sun's centre over the same meridian, if the earth's orbit was circular, and the sun always in the equinoctial. Thus, the intervals betwixt... | |
| |
Day, (astronomical,) the time between two successive transits of the sun's centre over the same meridian, which always begins and ends at noon. 
