Week 24 Vocabulary Puzzle

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Across
  1. 4. Any object that orbits a planet, either natural like a moon or human-made.
  2. 5. race Cold War competition between the U.S. and USSR to achieve milestones in space.
  3. 6. U.S. civilian agency created in 1958 to run the nation’s space program.
  4. 9. V Giant rocket that launched Apollo spacecraft toward the Moon.
  5. 10. of Tranquility Flat area on the Moon where Apollo 11 landed.
  6. 11. Term used by the Soviet Union for a person trained to travel in space.
  7. 13. A small Soviet satellite launched in 1957, first human-made object to orbit Earth.
  8. 15. 11 1969 mission that carried the first astronauts to walk on the Moon.
  9. 16. U.S. missions practicing longer flights, spacewalks, and docking in orbit.
  10. 18. NASA program designed to land astronauts on the Moon and return them safely.
  11. 20. The moment a rocket leaves the launchpad and begins to rise.
Down
  1. 1. Walking on the Moon’s surface in a spacesuit with reduced gravity.
  2. 2. module Small spacecraft used to land on the Moon and then lift off again.
  3. 3. First U.S. crewed space program, testing if humans could survive spaceflight.
  4. 7. Term used by the United States for a person trained to travel in space.
  5. 8. The Soviet spacecraft design that carried Yuri Gagarin into orbit.
  6. 12. control Ground center where flight controllers monitor and guide a space mission.
  7. 14. Platform where a rocket stands and is fired into space.
  8. 17. War Period of tension and rivalry between the United States and Soviet Union after World War II.
  9. 19. The curved path one object follows as it moves around another in space.