Across
- 4. - Brightest star in the night sky.
- 5. - Farthest planet from the sun.
- 6. - Planet nearest to the Sun.
- 7. - First person to walk on the moon.
Down
- 1. - Largest planet in our solar system.
- 2. - Imaginary line around which Earth spins.
- 3. - Planets orbit around ______.
- 4. - Planet with rings around it.
- 6. - Natural satellite of Earth.
- 8. - Number of planets in our solar system.
- 9. - Solar System is part of which galaxy.