Celestial
Sphere: The Imaginary Sphere Surrounding The Earth
Onto Which The Stars Appear Affixed, And Which Appears To Rotate Around The Earth….
Altitude: The Angular Distance Of An Object Above The Horizon….
Azimuth: The Angular Distance Of An Object Along The Horizon, Measured
From Due North In An Eastward Direction….
Zenith: The Point In The Sky Directly Above You..
Nadir: The Point In The Sky Directly Below You…
Meridian:
An Imaginary North-South Line In The Sky Passing Directly Overhead. It Divides The Sky
Into Eastern And Western Halves….
|
