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Across 1. russian space programme 2. contains many solar systems, chocolate 6. the 9 bodies in Solar System 8. USA space vehicle 10. xxx Enterprise in star trek 12. big rocks in space 14. found around Saturn 15. of the sun 16. a route to another dimension 19. 2nd planet, our neighbour 21. Earth's is blue 22. where a rocket takes off from 24. nearest planet to Sun 26. US space man 27. consumes mass 29. Earth's satellite 31. Either of two points in the orbit of a celestial body where the body is in opposition to or in conjunction with the sun. 32. 8th planet 33. a regularly appearing cloud of gas/ice which streaks across sky 35. 7th planet 38. path planets follow around Sun 39. made the solar system

Down 1. 4 on Earth in a year, created by position against Sun 3. red planet 4. furthest planet from Sun 5. largest planet 7. centre of solar system 9. "xxxxxxx" we have a problem 11. russian space man 13. beyond our atmosphere, lots of room 14. around Saturn 15. planet with rings 17. contains many galaxies, white chocolate 18. of the moon 20. xxxx major the Great Bear 23. collapse of a star 25. nor warmer 28. moon landing missions 30. outer layer of atmosphere 34. where we live 36. name of US space community 37. temperature of Sun