Across
- 1. Wild horse of the American West
- 3. Region nearly empty of matter, yet not truly “nothing”
- 6. Six-shooter favoured by cowboys
- 9. Title once given to Pluto before 2006
- 10. Town lawman, often wearing a star-shaped badge
- 13. Tilt of this Earth feature causes the seasons
- 14. Pistol showdown at high noon
- 15. Constellation known as “The Hunter”
- 16. Wide grassland home to bison and cattle
- 17. Yuri Gagarin was the first person to hold this title in 1961
- 18. Train or stagecoach robber
Down
- 2. Type of Western film made in Italy in the 1960s
- 4. Telescope that revealed the “deep field” of distant galaxies
- 5. Constellations through which the Sun appears to travel each year
- 7. Elon Musk’s rocket company
- 8. George Lucas’ saga set “a long time ago in a galaxy far, far away”
- 10. Source of heavy elements like gold and uranium in the universe
- 11. Deep rocky valley carved by rivers
- 12. Halley’s example of this is visible from Earth every 76 years
- 14. Mechanical helper in sci-fi universes