Across
- 4. a small planet
- 6. the movement of one object around a center or another object
- 7. a small body moving in space
- 9. comets have an elliptical orbit around the sun that brings them closer at some times
- 10. an object made up of ice and dust
Down
- 1. a cosmological model in which the Sun is assumed to lie at or near a central point
- 2. a small rocky body orbiting the sun
- 3. the outer part of a conical shadow, cast by a celestial body, where the light from the Sun is partially blocked
- 5. a machine sent in space to collect info
- 8. incandescent as a result of friction