Across
- 4. an object in space that makes heat and light
- 6. a imaginary line that which show which direction a planet rotates
- 7. the star in the middle of our solar system
- 8. huge chunks of irregularly shaped rock
- 10. when a meteor reaches earth
Down
- 1. a meteoroid burning up as it enters the earths atmosphere
- 2. the attractive force between objects with mass
- 3. the amount of matter in an object
- 5. a small piece of rock or space dust
- 9. dirty snow balls from space