Space Words

1234567891011121314151617181920212223
Across
  1. 1. constellation in Northern hemisphere
  2. 3. 8th planet also name of Roman god of the sea
  3. 5. Soviet satellite
  4. 6. center of something
  5. 7. dwarf planet
  6. 8. gas around an object in space
  7. 10. a ball of gas like the Sun
  8. 13. a person trained to pilot or serve as a member of spacecraft
  9. 16. mass of rock in space
  10. 17. gravitational force
  11. 18. first spaceworthy Space Shuttle in NASA
  12. 20. astronomical object with high energy
  13. 21. when rocket leaves launch pad
  14. 23. 2nd planet 4th smallest planet
Down
  1. 2. between planets
  2. 4. something that causes improvement
  3. 6. outermost part of the Sun's atmosphere
  4. 9. A device that orbits planets
  5. 11. small rocks that revolve around the Sun and are smaller than planets
  6. 12. a large hole on a surface
  7. 14. path of a planet, satellite, or moon
  8. 15. speed at which something moves or happens
  9. 17. group of stars, gas, and dust also plates that belong in the universe
  10. 19. 3rd planet only planet that supports life
  11. 22. to stretch or extend something