Celestial Sphere – The Equatorial Coordinate System

Earth within Celestial Sphere
The Earth within Celestial Sphere. Source: Wikipedia

The Equatorial Coordinate System is used to locate the position of star on Celestial Sphere. The Equatorial Coordinate System is similar to the coordinates of longitude and latitude that we use to locate the position of any place on the surface of Earth. Let us first learn how to locate an observer on the surface of Earth.

We know that Earth moves from West to East along an axis which Continue reading “Celestial Sphere – The Equatorial Coordinate System”