Across
- 1. longest day of the year.
- 5. Sun Earth Moon.
- 6. Shortest day of the year.
- 7. Sun Moon Earth.
- 9. Moon Sun Earth.
- 10. tides Higher high tides and lower low tides.
- 11. No tidal changes.
Down
- 2. A galaxy that seems to have arms that SPIRAL out.
- 3. The tilt angle of the earth.
- 4. A galaxy that usually takes on a oval shape.
- 8. An elliptical path usually taken around a planet or star.