Across
- 2. A cloud of gas and dust where stars can form.
- 5. The arm where the solar system is found
- 7. A region in space where gravity is so strong that even light cannot escape
- 8. A large ball of hot gas that produces light and heat
- 9. The name of our galaxy
- 10. The star closest to our planet
- 11. The planet that we live on
Down
- 1. Everything that exists including space, time and matter
- 3. A unit of distance equal to how far light travels in one year
- 4. A giant system of stars, gas and dust held together by gravity
- 6. A large object that orbits a star
- 8. The Sun and everything that orbits it.