Space Exploration Crossword

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Across
  1. 3. Travel at speeds greater than five times the speed of sound, often for space missions
  2. 6. A technique used to gain speed by using a planet’s gravity to slingshot a spacecraft
  3. 7. The process of adjusting a spacecraft’s trajectory to enter orbit around a planet or moon
  4. 8. An advanced propulsion system that uses ions to generate thrust for spacecraft
  5. 13. Exploration The study and exploration of areas beyond Earth
  6. 15. A technology used in some space launch systems to reduce friction during takeoff
  7. 16. Star systems that contain planets orbiting stars outside our solar system
  8. 18. The process of altering a planet's environment to make it more habitable for humans
  9. 19. A system designed for travel between planets within a solar system
  10. 20. A facility where spacecraft are launched and landed, similar to an airport for space vehicles
Down
  1. 1. The process of extracting resources from asteroids for use in space exploration or Earth
  2. 2. A system designed to protect spacecraft from the intense heat of re-entry into Earth’s atmosphere
  3. 4. Space vehicles designed to be used multiple times, reducing the cost of space travel
  4. 5. A type of rocket fuel stored at extremely low temperatures for efficient propulsion
  5. 9. A planned space station orbiting the Moon to support future lunar missions
  6. 10. The study of the potential for life beyond Earth and the conditions that might support it
  7. 11. A type of advanced engine technology that significantly changes space travel
  8. 12. A living environment designed for humans to reside in outer space for extended periods
  9. 14. The process of establishing human settlements on other planets or moons
  10. 17. A rocket designed to travel into space but not to complete a full orbit of the Earth