SPACE REVIEW

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Across
  1. 2. our opponent in the space race
  2. 5. the planet with the longest day
  3. 8. how we measure large distances in space
  4. 9. a year
  5. 10. the name of the galaxy we belong to
  6. 11. these cause black holes
  7. 15. this group of planets is also called the gassy giants
  8. 19. the force that holds us to earth
  9. 21. the 11th mission that made the US win the space race
  10. 23. a group of stars that make a pattern
Down
  1. 1. a rocky, irregularly shaped object orbiting the sun
  2. 3. the only planet that sustains life
  3. 4. the sun is the only one of these in our solar system
  4. 6. what clouds on Venus are made of
  5. 7. this planet is the furthest away from the sun
  6. 10. this planet has the fastest revolution
  7. 12. the most famous dwarf planet
  8. 13. this word means to go around in an elliptical path
  9. 14. a day
  10. 16. the red planet, named because the iron oxide
  11. 17. earth's natural satellite
  12. 18. terrestrial planets are also called this
  13. 20. this planet rotates on its side
  14. 22. the most recent telescope we have sent to take space pics
  15. 24. international space station