| Noah Webster - 1810 - 262 sivua
...also called the equinoctial line, because when the sun is on this line, which happens about the 21st of March and 23d of September, the days and nights are of equal length in all parts of the earth. ,J3. The Poles and the Karths Axes, The line on ,which the earth turns, in its daily revolution, is... | |
| George Fisher (accountant.) - 1811 - 302 sivua
...northern and southern hemispheres. It is also called the Equinoctial, because when the sun enters it the days and nights are of equal length in all parts of the globe. Seamen commonly call this circle the Line. Meridians, or Circles of Terrestrial Longitude, are... | |
| Noah Webster - 1812 - 358 sivua
...called alfo the equinoctial line, becaufe when the fun is on this line, which happens about the 21 ft of March and 23d of September, the days and nights are of equal length in all parts of the earth. 23 The Poles and the Earth's Axis. The line on which the earth turns, in its daily revolution, is called... | |
| Abner Alden - 1814 - 222 sivua
...equal, andno.v, night ; because when the sun is in either of those points, (which happens on the 20ih of March and 23d of September) the days and nights are of an equal length. Q. What are those two opposite points in the ecliptick called, which are at the greatest... | |
| W. M. Buchanan - 1846 - 768 sivua
...hemispheres, the northern and southern. It is called the equator, because when the sun is in this circle the days and nights are of equal length in all parts of the world. For this reason the celestial equator is also called the equinoctial (qv), and when drawn on... | |
| Henry Kiddle - 1868 - 300 sivua
...and those in the other, their shortest day and longest night. When it is in either of the equinoxes, the days and nights are of equal length in all parts of the earth, except at, or very near, the poles. 116. The atmosphere of the earth increases the length of the day,... | |
| Thomas Milner - 1872 - 684 sivua
...by the sun in his apparent annual path, at two opposite periods of the year, in spring and autumn, the days and nights are of equal length in all parts of the world. The ecliptic defines the course which the sun seems annually to pursue among the stars, but... | |
| Henry Kiddle - 1877 - 296 sivua
...and those in the other, their shortest day and longest night. When it is in either of the equinoxes, the days and nights are of equal length in all parts of the earth, except at, or very near, the poles. 116. The atmosphere of the earth increases the length of the day,... | |
| Thomas Milner - 1882 - 262 sivua
...by the sun in his apparent annual path, at two opposite periods of the year, in spring and autumn, the days and nights are of equal length in all parts of the world. The ecliptic defines the course which the sun seems annually to pursue among tho stars, but... | |
| Dedham (Mass.) - 1886 - 304 sivua
...absorb the odd hours. At the time of the Council of Nice, AD 325, the Vernal Equinox (the time when the days and nights are of equal length in all parts of the world) fell correctly on the 21st of March. But the addition of a whole day every fourth year was found... | |
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