Across
- 2. Mercury,Venus,Earth, and Mars
- 5. deviation of an orbit
- 10. range of orbits around a star
- 12. celestial event in which a number of meteors come into earths atmosphere.
- 13. type of measurment to measure distance from sun to earth
- 15. 1 minute planet
- 16. small body of matter entering the earths atmosphere
- 17. actual or apparent motion of a body
Down
- 1. rock that falls to earth from space
- 3. oval shape with two focal points
- 4. circumstellar disc in the outer solar system
- 6. ex. PLuto
- 7. containing solid irregularly shaped bodies
- 8. neptune,uranus,saturn, Jupiter
- 9. Fundamental system in condensed matter
- 11. a line of cliffs
- 14. small body moving in the solar system