Across
- 2. what an object is made of
- 6. a small part, broken off of something
- 9. a straight line that goes directly through a circle
- 10. a celestial object made of ice and dust
Down
- 1. the first and the largest asteroid to be discovered
- 2. when two or more objects collide with each other
- 3. a meteor that is able to earth's surface with a body mass
- 4. to move in orbit around star, planet or moon
- 5. not even or balanced
- 7. a small body from pace, that when enters that earth's atmosphere burns up
- 8. the action of two objects rubbing up against each other