2. THE SOLAR SYSTEM
• Solar system is a very small part of the entire universe
• It has one star that is “sun” At the center and planets and other objects moving
around it
3. SUN
• Sun is the center of the solar system
• It consits mainly of hydrogen and helium
• The reaction in the sun releses enormous amount of energy
• A part of energy is received by the earth in the form of heat and light
• Life on earth is sustained by this energy.
4. PLANETS IN OUR SOLAR SYSTEM
1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune
