Across
- 3. Second planet from the sun
- 5. The Red Planet
- 6. Name of our galaxy
- 7. The planet with the rings
- 9. Largest planet in our Solar System
- 12. A large group of stars, gas and dust
- 13. Mercury, Venus, Earth and Mars are ____________ planets
- 14. Saturn, Jupiter, Uranus and Neptune have ____ around them
- 17. Made up of water ice, rock, dust and organic compounds
Down
- 1. The centre of our Solar System
- 2. Our planet
- 4. Planet that spins on its side
- 5. Planet closest to the sun
- 6. A piece of rocky and/or metallic debris that travels in outer space
- 8. Pluto is called a ______ planet
- 10. Named after a Roman god of the sea
- 11. We are held on earth by...
- 15. Jupiter and Saturn are ____ giants
- 16. Uranus and Neptune are ____ giants
- 18. Neil Armstrong was the first person to walk on the...