Across
- 6. International Space Station orbiting Earth
- 8. Occurrence when one celestial body blocks another
- 9. Small rocky body orbiting the Sun
- 11. NASA program that landed the first humans on the Moon
- 12. Red planet explored by rovers
- 14. Path of a celestial body around another
- 15. Planet outside our solar system
- 17. Planet known for its rings
- 18. System of stars, gas, and dust bound together
- 19. Robotic vehicle used to explore planetary surfaces
Down
- 1. Space telescope providing deep-space images
- 2. Largest planet in the solar system
- 3. Person trained to travel in space
- 4. Instrument for observing distant objects in space
- 5. Space probes that traveled beyond the solar system
- 7. Cloud of gas and dust in space
- 10. The universe as a whole
- 13. Russian spacecraft used for crewed missions
- 16. Pertaining to the Moon
- 17. Private company founded by Elon Musk