Across
- 2. navigation reference
- 5. a defense weapon
- 7. Mars exploration vehicle
- 8. star of solar system
- 9. path around a planet
Down
- 1. state of matter in space giants
- 2. a red planet destination
- 3. large celestial body
- 4. a tyle of radiation
- 6. home planet
- 10. a charged particle