How We Got To The Moon

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Across
  1. 2. the part of the universe.
  2. 4. Earth's only natural satellite.
  3. 5. National Aeronautics and Space Administration
  4. 9. first person in space
  5. 11. is a rocket or other vehicle that can travel in space.
  6. 18. measures proper acceleration.
  7. 19. the planet on which we live.
Down
  1. 1. was launched by the Soviet Union beginning in 1957.
  2. 3. made the book called "How We Got To The Moon"
  3. 6. control may refer to: Spacecraft control.
  4. 7. Relating to the Moon.
  5. 8. is a planet. It is the fourth planet from the Sun.
  6. 10. a piece of clothing worn by a person who travels in space to protect the body when outside a spacecraft.
  7. 12. a moon, planet or machine that orbits a planet or star.
  8. 13. a type of food product created and processed for consumption by astronauts during missions to outer space.
  9. 14. First chimpanzee in Space
  10. 15. A large group of stars, gas, and dust held together by gravitational forces.
  11. 16. A large, bowl-shaped depression on the surface of a celestial body, often caused by an impact or explosion.
  12. 17. is the path one object in space takes around another.
  13. 20. a person that travels to space.