| Henry W. Jeans - 1842 - 138 pages
...of a heavenly body is the arc of the celestial equator intercepted between the first point of Aries and the circle of declination passing through the place of the body in the celestial concave. Or it is the angle at the pole of the heavens between the circles of declination... | |
| John Frederick William Herschel - 1849 - 672 pages
...to a point in the equinoctial, as a vertical circle does to a point in the horizon. (107.) DEF. 24. The hour angle of a heavenly body is the angle at the pole included between the hour circle passing through the body, and the celestial meridian of the place... | |
| James Inman - 1849 - 302 pages
...24h in a sidereal day, and to begin from 0 when the first point of Aries is on the meridian. (115.) The Hour Angle of a heavenly body is the angle at the pole (measured west or east) between the celestial meridian and the circle of declination passing through... | |
| H. W. Jeans - 1858 - 314 pages
...; thus suppose the heavenly body x to rise at в, and after describing the arc DXD', to set at r/, then the amplitude of x is either DE or D' w. The...thus, zpx is the hour angle of x. CHAPTEE II. ON TIME. The Solar year, and Sidereal year. 15. A solar year is the interval between the sun's leaving the first... | |
| William Thomas Brande - 1866 - 992 pages
...from being of unequal lengths at the different seasons of the year. Hour Angle of a Heavenly Body. The angle at the pole between the celestial meridian...declination passing through the place of the body. Hour Circles. [HORARY CIRCLES.] Hours. In Mythology. [HoR.«.] Hours, Canonical. The seven hours of... | |
| Henry William Jeans - 1868 - 228 pages
...distance from the west point at which it sets, the arcs or distances being measured on the horizon. 35. The hour angle of a heavenly body, is the angle at...declination passing through the place of the body. Practical Exercises on the preceding Definitions. In order more clearly to understand the definitions... | |
| Henry William Jeans - 1868 - 80 pages
...of a heavenly body is the arc of the celestial equator intercepted between the first point of Aries and the circle of declination passing through the place of the body in the celestial concave; or, it may be defined to be, the angle at the pole of the heavens between... | |
| James Inman - 1872 - 818 pages
...24b in a sidereal day, and to begin from 0 when the first point of Aries is on the meridian. (115.) The Hour Angle of a heavenly body is the angle at the pole (measured west or east) between the celestial meridian and the circle of declination passing through... | |
| Henry William Jeans - 1873 - 292 pages
...of a heavenly body is the arc of the celestial equator intercepted between the first point of Aries and the circle of declination passing through the place of the body in the celestial concave. Or, it is the * If a line be drawn from C, the centre of the earth, to A,... | |
| William Thomas Brande, George William Cox - 1875 - 968 pages
...from being of unequal lengths at the different seasons of the year. Hour Anglo of a Heavenly Body. The angle at the pole between the celestial meridian...declination passing through the place of the body. Hour Circle*. [HORARY CIRCLES.] Hours. In Mythology. | l Im. ;;. | Hours, Canonical. The seven hours... | |
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