Across
- 3. go down 1,800 miles to find Earth's..
- 4. the measurement across or through a circle or sphere
- 6. a synonym of the same
- 8. this person studies space
- 9. we live on this part of the earth
- 10. verb. To say how things are different
- 11. an unmanned spacecraft
- 12. this stops us from floating into the air
Down
- 1. unlike anything else
- 2. to go around something
- 3. holes on planets and moons caused by collisions
- 5. all things are made of
- 7. how far it is from one place to another
- 10. verb. To say how things are the same or similar