Across
- 2. Optical instrument used to observe distant objects
- 5. Celestial body that emits light and heat
- 7. A person who is trained to travel in a spacecraft
- 8. A fictional or hypothetical person with both organic and biomechatronic body parts
Down
- 1. A cylindrical projectile that can be propelled to a great height
- 3. The beginning of a mission
- 4. Celestial body with an orbit around a star
- 5. Celestial body with no atmosphere
- 6. The study of the universe and its contents