Space Science Exam

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Across
  1. 2. used a telescope to prove Copernicus' theory
  2. 5. A force of attraction that exists between two masses
  3. 7. This is 93 Million miles from Earth
  4. 9. Said the earth revolved around the sun
  5. 10. A meteoroid that has entered earth's atmosphere and is burning up
  6. 11. A meteoroid that makes it through the earth's atmosphere without burning up
Down
  1. 1. Ours is the Milky Way
  2. 3. The path followed by an object revolving around another object
  3. 4. The sixth farthest planet from the sun
  4. 6. The largest planet in our Solar System
  5. 8. How much matter is in an object
  6. 9. A body in space made mostly of ice & rock