Across
- 2. solar system model where the Earth is the center
- 4. a cloud of gas and dust
- 6. an asteroid belt located beyond neptune
- 8. when a celestial body passes between the earth and the sun
- 9. a squished oval (generally the shape in which planets orbit)
- 10. the line along which planets revolve
Down
- 1. solar system model where the sun is the center
- 3. the degree to which an ellipse is stretched
- 5. materials that would evaporate close to earth
- 7. how an object shifts relative to its background