Across
- 5. meteors that land on earth
- 6. holes on the moon created by asteroids colliding with it
- 7. pieces of rock or dust that are smaller than asteroids
- 9. the inner planets are also called the _______ planets
- 10. another name for the gas planets is _________ planets
- 12. our solar system is a part of this galaxy
Down
- 1. the entire _____________ is made of thousands of galaxies
- 2. a small body made out of dust, rock, gas & ice
- 3. a large piece of space rock with irregular shape
- 4. The tendency of an object to stay either at rest or in motion along a straight path
- 7. also called a shooting star
- 8. A force that pulls all objects toward each other.
- 11. A huge group of stars
