Universe

1234567891011
Across
  1. 3. How far things are from each other.
  2. 4. The outside of things
  3. 7. A smart robot that travels in space
  4. 8. Earth's hot center
  5. 10. A force that pulls everything to the ground
  6. 11. A line across a circle
Down
  1. 1. Space scientists who study stars and planets
  2. 2. Anything that takes up space and has weight
  3. 5. Something really special
  4. 6. Holes made by space rocks
  5. 9. The circle things take in space