Across
- 2. Which planet is the smallest and closest to the sun?
- 3. Which is the second planet from the sun and is the hottest?
- 4. What is a object that is made of gas,dust and ice and moves around the Sun?
- 7. What are the planets called that are closets to the sun and is made of rock and metal?
- 8. What are millions of small,rocky object that orbit the Sun?
- 9. Which planet is the third and the atmosphere provide life?
- 10. What distances that are too large for Astronomers to use?
Down
- 1. What happens when a planet atmosphere traps solar energy?
- 5. What period do the Earth go through that takes one day to complete?
- 6. What Period do the Earth go through that takes one year to complete?