1. Introducing The Solar System WHAT’S IN IT? HOW DID IT FORM?

2. Our Solar System The Inner Solar System:  The sun  The planets  Their moons (satellites)  Asteroids  Comets

3. Our Solar System Outer Solar System:  Kuiper Belt  Oort Cloud

4. Our Planets A planet:  Is round  Revolves around the sun  Cleared its orbital path. A dwarf planet:  Is round  Revolves around the sun  Has not cleared its orbital path

5. Our Planets Inner planets:  Close to the sun  Most water evaporated  Low gravity could not hold gases  Small and rocky Outer Planets:  Farther from the sun  Ice formed  Strong gravity holds gases  Large and gaseous Venus, Mercury, Earth, Mars Jupiter, Saturn, Uranus, Neptune

6. How Did The Solar System Form?