Across
- 2. Separates the first four and last four planets.
- 4. The sun is a _______.
- 6. The outer planets are made mostly of this!
- 7. Last four planets nickname.
- 8. Stars are _________ than planets. light.
- 9. The brightest planet in the night sky.
Down
- 1. Pluto is now called this.
- 3. There are this many planets in the solar system.
- 4. The first four planets are ______.
- 5. First four planets nickname.