Across
- 2. Object in space with mass.
- 5. The sun rises in the ________.
- 6. The exterior planets are also known as the _______.
- 7. Closest planet to the sun.
- 11. The four planets closest to the Sun.
- 12. Movement of the Earth around the sun.
Down
- 1. Shape of the Earth's orbit.
- 3. Strip of asteroids orbiting the Sun between Mars and Jupiter.
- 4. When the Earth is closer to the Sun it is _________.
- 8. The moon takes 28 days to complete one _______ and revolution.
- 9. Known as Earth's natural satellite.
- 10. Movement of Earth around its own axis.
