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