Across
- 4. the revolution of one object around another
- 6. small body of matter from outer space
- 8. the objects orbital motion around another object
- 9. small body moving in the solar system
- 10. small planet
Down
- 1. a model in which the sun is assumed
- 2. a small body orbiting the sun
- 3. the outer part of a conical shadow
- 5. a tail of gas and dust particles pointing away from the sun
- 7. placed in orbit to around the earth or moon or a planet