Across
- 3. closest planet to the sun
- 5. known as the Red Planet
- 7. takes an object to travel once around the sun
- 9. Takes approximately 365 days to rotate around the sun
- 10. small,rocky objects that orbit the sun
Down
- 1. planets closest to the sun,made of rock and metal,have solid outer layers
- 2. takes an object to COMPLETE one rotation
- 4. when a plant' atmosphere traps solar energy and causes the surface temperature to increase
- 6. gas,dust,and ice objects around the sun
- 8. hottest planet in the solar system