释义 |
DictionarySeesolsticesolstices
solstices (sol -stiss-iz) 1. (solstitial points) the two points that lie on the ecliptic midway between the vernal and autumnal equinoxes and at which the Sun, in its apparent annual motion, is at its greatest angular distance (23½°) north or south of the celestial equator. 2. The times at which the Sun reaches these points, on about June 21 and Dec. 22; the hours of daylight or of darkness are then at a maximum. |