Across
- 4. planet The inner planets mercury, Venus ,earth,mars are called .
- 6. Unlike mercury and Venus, has a moon.
- 7. what come from the outer parts of the solar system
- 8. The solar system has eight object classified as .
- 10. The atmosphere of is about 97 percent carbon dioxide.
Down
- 1. planet scientist classify some objects in the solar system as
- 2. The smallest planet and the planet closest to the sun is .
- 3. effect The high temperatures are caused by the .
- 5. what range in size from less than a meter to several hundred kilometer in length
- 9. The largest object in the solar system is the a star