To Infinity and Beyond - Vocabulary

1234567891011121314151617181920
Across
  1. 3. To delay an event or activity to a later time.
  2. 7. To attack or destroy a place using nuclear weapons.
  3. 9. Unmanned machines sent into space to explore planets and collect data.
  4. 12. An important event or stage in development or progress.
  5. 13. To start living in a new place permanently.
  6. 16. Having an important purpose or strong meaning.
  7. 18. To show or use one’s power or authority clearly.
  8. 20. To destroy something completely or make it disappear.
Down
  1. 1. To change a planet so that humans can live on it.
  2. 2. The state of having no weight, as in space.
  3. 4. A person who is trained to travel and work in space.
  4. 5. An important discovery or success that helps make progress.
  5. 6. A vehicle that travels into space using powerful engines.
  6. 8. Special clothing worn by astronauts to protect them in space.
  7. 10. Not suitable or safe for people to live in.
  8. 11. The group of people who work together on a spacecraft.
  9. 14. To send a rocket, satellite, or spacecraft into space.
  10. 15. Empty and lifeless, with no people, plants, or resources.
  11. 17. Very expensive or requiring a lot of money.
  12. 19. The edge of an area, especially one that is unexplored or developing.