Across
- 4. The planets move in elliptic orbits
- 6. A meteoroid that burns up
- 8. A thing planets do every year
- 9. A space rock that is still in space
- 10. A small planet too small to count.
Down
- 1. Sun in the center
- 2. A piece of rock with similar materials.
- 3. The shadow of the earth or moon
- 5. Tail points away from the sun.
- 7. A thing that sends the communication