The Solar System

Our solar system is made up the sun, eight planets, more than 150 moons , as well as comets, asteroids, dwarf planets and other space rocks.

Planets, asteroids and comets orbit the sun. They travel around our sun in an ellipse. It takes Mercury , the nearest planet , only 88 days but Neptune 164 years to travel around the sun once.

Contents : 23  pages

• Introduction
• The sun
• The inner planets
• The outer planets
• Dwarf planets
• The moon
• Comets and asteroids
• Exercises
• Key

Downloadable Sample of the Full Module (Not Printable) :

• The Solar System  - Text  (PDF  375  KB)
  
• The Solar system   - Exercises  (PDF  197  KB)