Across
- 3. - The path an object takes as it goes around another object in space.
- 4. - An object that orbits a planet or other celestial body.
- 6. - A celestial body that orbits a star.
- 8. - A vast system of stars, gas, and dust bound together by gravity.
- 10. - Relating to the universe or cosmos.
- 12. - A vehicle designed for space travel.
- 13. - A celestial object made of ice and dust that orbits the sun.
- 14. - Earth's natural satellite.
- 15. - Relating to the sun.
- 16. - The vast, empty regions of space.
Down
- 1. - A vehicle that uses propulsion to travel through space.
- 2. - A person who travels in space.
- 5. - An extraterrestrial being from another world.
- 7. - A cloud of gas and dust in space.
- 9. - A small, rocky object that orbits the sun.
- 11. - A special suit worn by astronauts for protection in space.
- 12. - A massive, luminous celestial object.