 | Arthur Thomas Simmons - 1897 - 516 pages
...analogous to our latitudes and longitudes. The plane of the ecliptic is the standard of reference ; and the latitude of a star is its angular distance from the ecliptic, while the celestial longitude is angular distance from the first point of Aries, measured along the... | |
 | International Correspondence Schools - 1899 - 578 pages
...from the vernal equinox to the circle of longitude passing through the star. FIG. 13. The celestial latitude of a star is its angular distance from the ecliptic measured along the circle of longitude which passes through the star. In Fig. 13, XB is the celestial longitude... | |
 | Pitt Durfee - 1900 - 340 pages
...nearly fixed on the celestial sphere ; the hour-angle changes every moment. 2. 'As to the ecliptic : The latitude of a star is its angular distance from the ecliptic measured on a secondary ; and the arc of the ecliptic intercepted between the vernal equinox and this secondary,... | |
 | George Albert Wentworth - 1901 - 176 pages
...standards of reference. The co-ordinates of the star are then called its latitude and its longitude. The Latitude of a star is its angular distance from the ecliptic measured on a circle of latitude. The Longitude of a star is the arc of the ecliptic included between the vernal... | |
 | 1902 - 650 pages
...eastwards from the vernal equinox to the circle of longitude passing through the star. The celestial latitude of a star is its angular distance from the ecliptic measured along the circle of longitude that passes through the star. In Fig. 6, XB is the celestial longitude... | |
 | 1903 - 612 pages
...from the vernal equinox to the circle of longitude passing through the star. FIG. i3. The celestial latitude of a star is its angular distance from the ecliptic measured along the circle of longitude which passes through the star. In Fig. 13, XB is the celestial longitude... | |
 | 1903 - 616 pages
...from the vernal equinox to the circle of longitude passing through the star. F1G. 13. The celestial latitude of a star is its angular distance from the ecliptic measured along the circle of longitude which passes through the star. In Fig. 13, XB is the celestial longitude... | |
 | International Correspondence Schools - 1908 - 628 pages
...are called circles of celestial longitude. 50. Celestial Latitude and Longitude. — The ceies. tial latitude of a star is its angular distance from the ecliptic measured along the circle of longitude that passes through the star. The celestial longitude of a star is the... | |
| |
The Latitude of a star is its angular distance from the ecliptic measured on a circle of latitude. 
