Across
- 3. spiral galaxy where our Solar System and located.
- 7. Sun and all the objects that orbit around it
- 8. an area in space with gravity so intense even light cannot escape its pull
- 10. an instrument used to view objects in outer space.
- 11. the 'Red Planet'
Down
- 1. large group of stars, dust, gas and dark matter held together by gravity
- 2. the largest planet in our solar system
- 3. natural satellite which orbits the Earth
- 4. someone trained to be a crew member of a spacecraft.
- 5. huge, bright ball of burning gas
- 6. small solar system bodies that orbit the Sun
- 9. closest planet to the Sun