Across
- 4. Mars lander.
- 8. Jupiter orbiter.
- 9. Latest Mars.
- 12. Asteroid sample.
- 13. Jupiter mission.
- 14. Solar orbiter.
- 16. Soviet Moon.
- 17. Venus mission.
- 18. Space telescope.
- 19. Comet chaser.
- 21. Moon lander.
Down
- 1. Venus probe.
- 2. Mars ice.
- 3. Saturn probe.
- 4. Deep space.
- 5. Long-lived rover.
- 6. Mars seismology.
- 7. Exoplanet hunter.
- 10. Asteroid belt
- 11. Solar explorer.
- 15. Mars rover twin.
- 17. Mercury mission.
- 20. Mars rover.
