Galactic Puzzles Space Crossword

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Across
  1. 5. The layer of gases surrounding a planet that supports life on Earth
  2. 8. Earth’s only natural satellite and the first celestial body visited by humans
  3. 11. The curved path of a planet or satellite around another celestial body
  4. 12. A planet that orbits a star outside our Solar System
  5. 13. An optical instrument used to observe distant celestial objects
  6. 17. The science of how air moves around objects like aircraft and rockets
  7. 19. A natural shaking of Earth’s surface caused by movement of tectonic plates
  8. 20. Known as the Red Planet and a key target for future human missions
Down
  1. 1. A device that converts sunlight into energy to power satellites and spacecraft
  2. 2. An object placed in orbit to collect data or assist in communication
  3. 3. The system that produces thrust to move rockets and spacecraft
  4. 4. A trained individual who travels and works in space missions
  5. 6. A space rock that burns brightly when it enters Earth’s atmosphere
  6. 7. The invisible force that pulls objects toward one another, keeping planets in orbit
  7. 9. A vehicle that uses thrust to travel beyond Earth’s atmosphere
  8. 10. A space telescope that looks deeper into the universe than ever before, studying stars and galaxies from the early cosmos
  9. 14. The platform from which rockets lift off into space
  10. 15. The NASA mission series that successfully landed humans on the Moon
  11. 16. The scientific theory that explains the origin and expansion of the universe
  12. 18. A vehicle designed to travel in outer space for exploration or transport