Blast Off!

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Across
  1. 5. The Earth (and everything else in our solar system) orbit around it
  2. 6. You wear this to breathe or walk on the moon
  3. 7. We see tons and tons of these on clear nights, and they can form constellations
  4. 8. You can use this to see stars and planets up close!
  5. 9. An unknown creature from space
Down
  1. 1. In Zero ____, you can float around
  2. 2. There are many phases of this, including Full, New and Waning Crescent
  3. 3. Blast off! when this takes off
  4. 4. Someone who goes to outer space
  5. 6. This planet is the 6th from the sun and is known for its rings