Across
- 2. Imaginary visitor from another world.
- 4. Known as the Red Planet.
- 5. Another word for the universe.
- 8. Rocky body floating in space.
- 9. Earth, Mars, Jupiter, for example.
- 10. Shine in the night sky.
- 12. Our Milky Way is one.
- 15. Travels into space.
Down
- 1. Tool for looking into space.
- 3. Path of a planet around a star.
- 6. U.S. space agency.
- 7. Vehicle that blasts off.
- 11. Orbits Earth and sends signals.
- 13. Earth’s natural satellite.
- 14. Closest star to Earth.
