Across
- 2. Is a "BOAT" for space
- 5. The "VIA LATTEA" is this
- 8. Is a planets out of sol system
- 9. Is a propulsion system for inter-planets travel
Down
- 1. This is a gas cluster
- 3. Is necessary to travel into space
- 4. Is a space agency
- 6. Is a natural satellit of Earth
- 7. There are billions of this in the universe