The Ecliptic

This section describes the ecliptic and ecliptic plane.

The Ecliptic Plane is defined as the plane that contain the orbit of the Earth around the Sun.

The Ecliptic is defined as the intersection of the Ecliptic Plane and the Celestial Sphere.

The following picture provides a good illustration of the Ecliptic and Ecliptic Plane in the Celestial Sphere system, http://www.astro.virginia.edu

The Ecliptic Plane

Notice that we have two base circles on the Celestial Sphere now: Ecliptic and Celestial Equator, Looking at the Ecliptic and the Celestial Equator on the Celestial Sphere, you will see:

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