1. New-the new moon is not visible.
2. Waxing crescent - the moon starts growing.
3. First quarter-the moon looks like half a circle.
4. Waxing gibbous - still growing.
5. Full-we can see the entire circle of the moon lit up.
6. Waning gibbous - the moon starts shrinking.
7. Third quarter-again only half a circle is visible.
8. Waning crescent - the moon is about to disappear.
9. New(again) - the new moon is not visible.
