 | Alexander Ewing - 1771 - 342 pages
...fouth. The fame is true of the moon or any ftar. . 35. Vertical or azimyth circles ZmNand ZvN pafs through the zenith and nadir, and cut the horizon at right angles. Of thefe, the meridian cuts the horizon in the north and fouth points ; and the prime vertical crofies... | |
 | Alexander Ewing - Logarithms - 1779 - 476 pages
...fouth. The fame is true of the moon, or any ftar. 35. Vertical or azimuth circles ZwN and ZwN pafs through the zenith and nadir, and cut the horizon at right angles. Of thefe, the meridian cuts the horizon in the north and fouth points; and the prime vertical crofles... | |
 | Benjamin Workman - Geography - 1809 - 218 pages
...or it is the sun's or a star's distance, in degrees, from the zenith. Azimuth, or vertical circles, pass through the zenith and nadir, and cut the horizon at right angles. Azimuth is the point of the coinpass the sun or stars bears on ; or it is the (GEOGRAPHY. 41 umber... | |
 | Edward Bruce (bookseller.) - 1821 - 418 pages
...horizon. 22. The culminating of any celestial object is when it comes to the meridian. 23. Azimuth, or vertical circles, are great circles which pass through the zenith and nadir, and are perpendicular to the horizon. If the quadrant of altitude be fixed upon the zenith, and brought... | |
 | George G. Carey - Astronomy - 1825 - 274 pages
...terminates the view of the spectator, when placed at any point of the earth's surface. 23. Efertica^JCiicles are great circles which pass through the zenith and nadir, and cut the horizon at right angles. 24. Tbe^MitudejsLs^Celeatiit] i JBody is its height above the horizon, reckoned on the vertical circle... | |
 | Denison Olmsted - Astronomy - 1839 - 308 pages
...perpendicular to it. The Meridian is that vertical circle which passes through the north and south points. The Prime Vertical, is that vertical circle which passes through the east and west points. 27. As in geometry, we determine the position of any point by means of rectangular coordinates, or... | |
 | Denison Olmsted - Astronomy - 1839 - 300 pages
...perpendicular to it. The Meridian is that vertical circle which passes through the north and south points. The Prime Vertical, is that vertical circle which passes through the east and west points. The Altitude of a body, is its elevation above the horizon, measured on a vertical circle. The Azimuth... | |
 | Denison Olmsted - Astronomy - 1841 - 486 pages
...perpendicular to it. The meridian is that vertical circle which passes through the north and south points. The prime vertical is that vertical circle which passes through the east and west points. The altitude of a body is its elevation above the horizon, measured on a vertical circle. The azimuth... | |
 | Denison Olmsted - Astronomy - 1844 - 292 pages
...perpendicular to it. The Meridian is that vertical circle which passes through the north and south points. The Prime Vertical, is that vertical circle which passes through the east and west points. The altitude of a heavenly body, is its elevation above the horizon, measured on a vertical circle... | |
 | Denison Olmsted - 1852 - 312 pages
...perpendicular to it. The Meridian is that vertical circle which passes through the north and south points. The Prime Vertical, is that vertical circle which passes through the east and west points. The altitude of a heavenly body, is its elevation above the horizon, measured on a vertical circle... | |
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Vertical circles are those which pass through the poles of the horizon, (the zenith and nadir,) perpendicular to it. The meridian is that vertical circle which passes through the north and south points. The prime vertical is that vertical circle which... 
