Across
- 2. off When a rocket or spacecraft begins its flight (7 letters)
- 4. board Present inside a vehicle, ship, or aircraft (7 letters)
- 7. Russian space traveler (10 letters)
- 8. Extremely pleased or happy (9 letters)
- 9. To go around something, like a planet goes around the sun (5 letters)
- 11. Jump from an aircraft and free-fall before opening a parachute (7 letters)
- 12. A celestial body orbiting a star, like Earth (6 letters)
Down
- 1. A unit of mass equal to 1,000 grams (8 letters)
- 3. Leader of a mission, often in space (9 letters)
- 5. A trip from one place to another (7 letters)
- 6. A man-made object that goes around a planet (9 letters)
- 10. A person trained to travel in a spacecraft (9 letters)