Space Race

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Across
  1. 3. Saturn's biggest moon
  2. 4. What you do on planets that are not Earth.
  3. 7. The direction that venus spins (relative to other planets)
  4. 8. Space phenomena whose gravitational pull is so intense that no matter can escape
  5. 11. The center of our solar system
  6. 12. Name of the group of space rocks in between Mars and Jupiter
  7. 14. _____ Giants
  8. 15. What you hear in space
  9. 16. largest planet in the solar system
  10. 17. The explosion of a star
  11. 19. The hottest planet, with a surface temperature of 465 degrees celsius
  12. 20. Who the US beat in the 1950s space race to the moon
Down
  1. 1. What the US left on the moon
  2. 2. Habitable zone in space; where water is able to remain in liquid state
  3. 5. The solar systems biggest moon, belonging to Jupiter
  4. 6. The gemstone that rains on Jupiter and Saturn
  5. 9. Once the 9th planet, removed in 2006
  6. 10. The name of the famous storm on Jupiter
  7. 13. Second man to walk on the moon
  8. 18. How many NASA spacecrafts have blown up in space missions
  9. 21. Funny planet name