Across
- 3. place in space where gravity has enormous pull
- 4. A smaller planet
- 7. The star that the Earth orbits
- 8. The galaxy including our Solar System.
- 9. A body moving in an orbit around a star
- 10. Cosmical snowballs of dust, rocks and frozen gasses
- 11. Luminous point in the night sky
Down
- 1. system of the Sun and other bodies.
- 2. Natural satellite of the earth
- 5. A planet outside the Solar System.
- 6. A system of billions of stars tied by gravity.
- 8. A small body of matter from outer space