Out Of This World

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Across
  1. 3. Shuttle a space vehicle which astronauts use to get to space
  2. 5. a space agency which researches information about the universe
  3. 6. it seperates the inner and outer planets
  4. 10. people who learn and explore space
  5. 12. bits of molecules which fly in space
  6. 13. the only planet which we can live on
  7. 15. an unidentified object
  8. 16. a rocket which reached the moon
  9. 17. the curved path that a satelite or planet follows around the earth or sun
  10. 18. Spot an area which is cooler than the other areas on the sun
  11. 20. a process in which a star gets it's light and energy
  12. 22. a place where astronauts stay while they are on a mission
  13. 23. a very light gas with no colour, taste or smell
  14. 25. the first person to walk on the moon
  15. 27. a constellation of a lion in space
  16. 28. a planet which is well known for it's beatiful rings
Down
  1. 1. shapes in which a moon forms
  2. 2. planets which are made of gases
  3. 4. middle sized rocks which fly in space
  4. 6. light display found in the Artic
  5. 7. group of meteors that strike a planet
  6. 8. the passing of the sun below the horizon in the evening, or the time at which this happens
  7. 9. a comet which passes earth every 75 years
  8. 11. creatures which come from other planets
  9. 14. the biggest planet in the solar system
  10. 19. a moon of Saturn which is the second largest moon
  11. 21. a group of stars that form a picture
  12. 24. a natural satelite
  13. 26. a galaxy made of billions of stars and planets