Animations: Chapter
3-Essential Cosmic Perspective "The Science of Astronomy"
Ch.3
by Slide
| 27RetrogradeMotionOfMars |
29Ptolemaic Model |
| 40Eccentricity&SemimajorAxis-Ellipse |
43Kepler's2ndLaw |
| 45Kepler's3rdLaw |
54PhasesOfVenus |