Across
- 1. – A huge group of stars, planets and other space objects.
- 4. – The spinning of a planet on its axis.
- 7. – A large object that travels around the Sun.
- 9. – The force that pulls objects towards one another.
- 10. – An icy object that forms a glowing tail near the Sun.
Down
- 2. – A person trained to travel and work in space.
- 3. – A vehicle used to travel into space.
- 5. – The path an object follows around another object in space.
- 6. – A bowl-shaped hole on the surface of a planet or moon.
- 8. – A small rocky object that orbits the Sun.