Across
- 3. To release space craft into space
- 7. U.S. space craft designed to carry men to the moon and back
- 8. a group of stars, gas, and dust held together by gravity
- 10. Backwards counting before a rocket launching takes place
- 13. Space as a whole or an aircraft industry
- 15. A celestial body moving around the sun
- 16. A scientist who studies space
- 18. A gaseous envelope surrounding the earth
- 20. 3rd planet from the sun
- 21. Closest planet to the sun
- 22. 5th planet from the sun
Down
- 1. National Aeronautics and Space Administration
- 2. 5.88 trillion miles
- 4. A sealed container where a person or animal can ride into space at very high altitudes
- 5. 4th planet from the sun
- 6. The first space shuttle to orbit and return to earth
- 9. A rocket engine used as the main source for takeoff in a rocket or missile
- 10. A Russian or Soviet astronaut
- 11. Being between the planets or a planet and the sun
- 12. The force of attraction by which bodies in space tend to fall toward the center of the earth
- 14. An aircraft becoming airborne
- 15. A bowl shaped indentation with a raised rim make by a meteoroid
- 17. Ofter remnants of a comet traveling through space
- 19. When one object in space blocks the view of another object in space
- 21. a meteoroid that has entered earths atmosphere