ROCKETRY

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Across
  1. 3. The first artificial satellite launched into space.
  2. 4. The space Agency of India.
  3. 6. The highest point reached by rocket in its trajectory?
  4. 7. Modern lunar program by NASA
  5. 8. The path followed by a rocket or spacecraft.
  6. 10. The planet known as the "Red Planet."
  7. 11. The study and design of rockets and spacecraft.
Down
  1. 1. The space agency of the United States.
  2. 2. What is the process called when a rocket separates its stages during the flight?
  3. 5. The process of re-entering the Earth's atmosphere.
  4. 7. The first manned mission to land on the moon.
  5. 8. The force that propels a rocket into space.
  6. 9. The country that launched the Chang'e lunar exploration program.