solar system crossword puzzle

1234567891011
Across
  1. 3. formed after a Mars-sized body collided
  2. 5. the second-largest in the Solar System
  3. 8. is the seventh planet from the Sun
  4. 10. More than 30 times as far from the Sun as Earth
  5. 11. home to all known life
Down
  1. 1. a donut-shaped region
  2. 2. most explored bodies in our solar system
  3. 3. the fastest planet in our solar system
  4. 4. star at the center of the Solar System
  5. 6. works by a scientific rule called Newton's third law of motion
  6. 7. fifth in line from the Sun
  7. 9. the largest object in the asteroid belt