 | Thomas Keith - 1821 - 408 pages
...TROPICS are two small circles, parallel to the equator (or equinoctial), at the distance of 23° 28' from it ; the northern is called the Tropic of Cancer, the southern the Tropic of Capricorn. The tropics are the limits of the torrid zone, northward and southward. 17. The POLAR CIRCLES are two small... | |
 | Sidney Edwards Morse - Atlases - 1822 - 706 pages
...is called the Zenith ; and the opposite point, or that directly under our feet, is called the Nadir. The straight line connecting these two, passes through...bound those places where the sun is vertical. Polar Circlts. The Polar circles are two small circles, parallel to the tropics, described round the poles... | |
 | John Vose - Astronomy - 1827 - 262 pages
...two tropics and two polar circles. The tropics are at about 23° 28' from the equator ; the northern called the tropic of Cancer, the southern, the tropic of Capricorn. The polar circles are at about 23° 28' from the poles ; the northern called the Arctic, the southern,... | |
 | Sandhurst roy. military coll - 1829 - 118 pages
...those points of the ecliptic which are at the greatest distance from the equator. The Northern Tropic is called the Tropic of Cancer, the Southern the Tropic of Capricorn, because they touch the ecliptic at the beginning of those signs. the equator, that is, about twenty-three... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...TROPICS are two small circles, parallel to the equator (or equinoctial,) at the distance of 23° 28' from it ; the northern is called the tropic of Cancer, the southern the tropic of Capricorn. The tropics are the limits of the torrid zone, northward and southward. 17. The POLAR CIRCLES are two small... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 630 pages
...The tropics are two smaller circles, each 23° 28' from the equator, with which they are parallel ; the northern is called the tropic of Cancer, the southern the tropic of Capricorn. The tropics are the limits of the torrid zone, northward and southward ; and within these boundaries alone... | |
 | Sir Daniel Keyte Sandford - Art - 1836 - 486 pages
...The tropics are two smaller circles, each 23° 28' from the equator, with which they are parallel ; the northern is called the tropic of Cancer, the southern the tropic of Capricorn. The tropics are the limits of the torrid zone, northward and southward ; and within these boundaries alone... | |
 | Denison Olmsted - Astronomy - 1839 - 300 pages
...pole. The Tropics are the parallels of latitude that pass through the solstices. The northern tropic is called the tropic of Cancer ; the southern, the tropic of Capricorn. The Polar Circles are the parallels of latitude that pass through the poles of the ecliptic, at the distance... | |
 | Thomas Ewing (of Edinburgh.) - 1839 - 348 pages
...situated parallel to the equator; one on each side, at about 23^ degrees from it. The northern tropic is called the tropic of Cancer ; the southern, the tropic of Capricorn ; because they touch the ecliptic at the beginning of those signs (g). 11. The polar circles are situated... | |
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The tropics are the parallels of latitude which pass through the solstices. The northern tropic is called the tropic of Cancer ; the southern, the tropic of Capricorn. The polar circles are the parallels of latitude that pass through the poles of the... 
