Ages

Introduction

Summary

This movie shows the dynamic of the Earth-Moon-Sun system. A corresponding calendar can be displayed. Diagrams are not done to scale.

Goals

• To distinguish between rotation (24h) and revolution (365.24 days).
• Toshow how our "Julian" calendar corresponds to these periodicities.

Features

Click on 'calendar' to display it.

Tags

cycle calendar solar day sidereal sun earth moon time month