The Celestial Sphere

This section provides some basic knowledge of the celestial sphere.

The celestial sphere is an imaginary sphere of infinite radius centered on the Earth, on which all celestial bodies are assumed to be projected. Note that:

The following picture provides a good illustration of the celestial sphere, http://www.pfm.howard.edu:

The Celestial Sphere

The celestial sphere can be viewed as the sphere ceiling of the Earth where stars are located. Of course, this is not true, our view of stars from the Earth is a projection of stars located in a 3-dimensional space:

The Celestial View of Stars

Table of Contents

 About This Book

 Quick Introduction to Astrology

Basics of Astrology and Astronomy

 What Is Astronomy

 The Solar System

The Celestial Sphere

 The Celestial Sphere Coordinate System

 The Celestial Meridian and Zenith

 The Ecliptic

 The Precession - Rotation of Earth's Axis

 Stars

 Constellations

 Introduction to Western Zodiac Signs

 Horoscope and Horoscopic Astrology

 Horoscope and Planets

 Chinese Astrology and Horoscope

 Chinese Zodiac Animal Signs

 References

 PDF Printing Version