Across
- 2. a force that pulls two object
- 5. the path a planet follows when going
- 6. when the moon is in between the sun and Earth
- 8. controlled by gravity
- 9. our planet
- 10. the center of the solar system
Down
- 1. when one this rotates around another
- 3. the thing a planet rotates on
- 4. the change of light reflected on the Earth
- 7. when an object goes around its axis