Across
- 2. This planet is close to the sun but not the closest. It comes before earth.
- 4. A planet with rings surrounding it made up of ice, dust and rock.
- 6. This is found at the centre of the solar system.
- 7. The largest planet.
- 9. The planet closest to the sun.
Down
- 1. This planet has the tallest mountain in the solar system.
- 3. The coldest planet in the solar system.
- 5. The planet furthest from the sun.
- 8. A planet we are certain life exists on.
- 9. Neil Armstrong was the first person to go to this place.