celestial horizon
معنی فارسی
افق سماوي
ریشه و کاربرد
ریشه
The word 'celestial' comes from the Latin word 'caelestis', meaning 'heavenly'. 'Horizon' comes from the Greek word 'horizōn', meaning 'limit' or 'boundary'.
مثال
- The celestial horizon is where the sky and the Earth appear to meet.
- The position of celestial objects changes as they rise above or set below the celestial horizon.
- The celestial horizon is an important reference point for astronomers.
تعریف انگلیسی
noun
- the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth