Hakuluettelo:
Käännös:
sphaera recta (suomeksi)
- Määritelmät:
- (lb, en, astronomy) An (l, en, idealize, idealised) (l, en, conception) of the (l, en, celestial sphere) in which the (l, en, celestial equator) is (l, en, perpendicular) to the local (l, en, horizon) and the (l, en, Sun) reaches the (l, en, zenith) at its highest point.