Across
- 2. the smallest planet in our solar system
- 4. a streak of light in the sky
- 6. a natural satellite of any planet
- 7. a big ball of burning gas
- 8. the name of the star that is at the center of our solar system
Down
- 1. a small rocky body orbiting the sun
- 3. the hottest planet in our solar system
- 5. the planet that humans live on
- 6. the planet that looks red because of its dust and dirt