Across
- 2. celestial body in orbit
- 5. time the planet takes to rotate on its axis
- 6. time the planet takes to orbit the sun
- 8. the orbit the Earth takes around the Sun
- 9. chunks of rock smaller than a planet and rocky
- 10. makes up 99.85% of the mass of our solar system
Down
- 1. Earth spins on its axis
- 3. smaller than a planet and rocky
- 4. the path the object takes when revolving
- 7. loose balls of ice and rock