Across
- 3. Powerful stellar explosion
- 4. space Vast empty region between celestial objects
- 5. Vehicle used for lunar travel
- 6. Our home planet
- 8. Planet with strong surface winds
- 11. Astronaut sleeping area on ISS
- 13. Dusty cosmic cloud
- 15. Small robotic explorer
- 16. Planet often associated with ice giants
- 18. Planetary science imaging device
- 20. Moon mission vehicle
- 22. Planetary exploration machine
- 23. City-sized asteroid object
Down
- 1. NASA spacecraft command center city
- 2. Ancient astronomical instrument
- 4. Circular path around a planet
- 7. Brightest star in Earth’s sky
- 9. One of Saturn’s icy moons
- 10. Cosmic cloud of gas and dust
- 12. Giant red planet feature
- 14. Jupiter’s moon with underground oceans
- 15. Layer protecting astronauts from radiation
- 17. Spacecraft observation window
- 19. Tiny celestial body entering atmosphere
- 21. Plasma burst from the sun
- 24. Large natural satellite