Across
- 4. Natural objects in space like stars and planets. (combined for crossword entry)
- 7. A round object that orbits a star.
- 9. The invisible line through a spinning object. (can be simplified to AXIS if needed)
- 13. An object that does not emit light. (use without hyphen for crossword tools)
- 15. A set of star signs, like Leo or Aries.
Down
- 1. A frozen ball of dust and gas with a tail.
- 2. The star at the center of our solar system. (no spaces for crossword entry)
- 3. A huge group of stars and planets.
- 5. A machine that travels around a planet.
- 6. The path of a planet around the Sun.
- 8. Our home planet.
- 10. A small rocky object in space.
- 11. An object that produces its own light.
- 12. A massive luminous sphere of gas held together by gravity. (used as one word)
- 14. A cloud of gas and dust in space.
