Chapter 4: The Ecliptic Created by: CK-12 Physics - From Stargazers to Starships Read Resources Details Chapter Outline 4.1. Signs of the Zodiac4.2. The Ecliptic4.3. The Planets and the Moon Chapter Summary Image Attributions Description This section covers the apparent motion of the Sun, Moon and planets across the sphere of "fixed stars" (celestial sphere). The concept of the ecliptic (path of the sun along this sphere) is described from different perspectives. Authors: David P. Stern Categories: science Physics astronomy Date Created: Feb 27, 2012 Last Modified: Dec 11, 2013 You can only attach files to None which belong to you If you would like to associate files with this None, please make a copy first.