Across
- 4. The star at the centre of our solar system, around which all planets orbit.
- 6. The name given to all known matter
- 8. The fourth planet from the sun
- 9. This type of celestial body is a smaller type of planet which has not cleared its own orbit.
Down
- 1. The name given to a celestial body which orbits any star other than our own.
- 2. The only natural satellite orbiting Earth
- 3. ___ giants- the name given to the four planets furthest from the Sun
- 5. The second furthest planet from the sun
- 7. A large ball of gas which forms the centre of a solar system.
- 8. Way (5,3) The name of the galaxy which contains our solar system