Across
- 2. term for outer planets
- 3. Meteoriod that strikes a planet or moon.
- 5. Objects made of ice, rock, and dust that glow near the sun.
- 6. Shape of an ellipse
- 9. Chuncks of rocks and ice that form a belt just beyond mars.
- 10. Plants orbit this star
- 11. Describes a planet's orbit
- 12. Meteoroid that entered Earth's atmosphere, producing light.
- 14. This planet has no atmosphere
- 15. A term for inner planets
Down
- 1. used to measure long distances in the solar system
- 4. Second planet from the sun
- 7. Earth is the only planet that has lots of this
- 8. small, rocky particle that moves through space.
- 12. small planet that orbits another planet.
- 13. The only planet that can sustain life