Across
- 2. The force that keeps planets in orbit.
- 5. The motion of Earth that causes day and night.
- 6. Moon The moon phase where no light is visible.
- 7. The path Earth takes around the Sun.
Down
- 1. The reason we have different seasons.
- 3. Motion The apparent movement of stars in the night sky.
- 4. The star at the center of our solar system.