Across
- 1. Spinning motion of an object
- 4. A celestial body moving in an elliptical orbit
- 7. Curved path of a celestial object around an object
- 8. Small body moving in the solar system
- 10. Large glowing sphere of gas held together by its own gravity
- 11. Expanse beyond Earth's atmosphere
- 12. Imaginary flat surface on which you could trace out Earth's path around the sun
Down
- 2. Relating to orbit or orbits
- 3. Object that orbits a planet
- 5. Small rocky body orbiting the sun
- 6. Bowl-shaped hole that has been blasted out of a surface
- 9. Celestial body that orbits the sun but can't clear orbit of debris