Celestial sphere

Astronomy - Celestial Coordinates

1. ASTRONOMY CELESTIAL SPHERE BY Ms.S.R.VIDHYA ASSISTANT PROFESSOR OF MATHEMATICS

2. CELESTIAL COORDINATES

3. Definition The celestial sphere is an imaginary sphere in the sky . It is the base of positional astronomy. The position of planets , stars etc are based on this sphere . Co ordinates in the sky called right ascension and declination gives position of stellar objects.

4. Horizontal system Equat o rial S y stem Ecliptic System Meridian System There are four co ordinate system

5. horizonta l S y stem

6. Equat o rial S y stem

7. meridian S y stem

8. Ecliptic S y stem

9. Thank You