Across
- 2. How many miles we are away from the moon.
- 5. One of the worlds foremost rocket scientists.
- 6. A flight that does not orbit the earth.
- 7. Oldest artificial satellite.
- 8. Having two spacecrafts connect in space.
- 10. The force that moves something forward, such as a rocket.
Down
- 1. First dogs to orbit the moon and come back alive.
- 3. Relating to the science of flight.
- 4. First human space traveler.
- 9. First artificial satellite in history.