1
Shortest day of the year
2
Longest day of the year
3
Moon blocks out the sun
4
Moon passes through Earth's shadow
5
Less than 50% of the moon illuminated
6
Equal day and night
7
More than 50% of the moon illuminated
8
Caused by the Earth's tilt
9
Moon moving towards the new moon
10
Moon moving towards the full moon
11
Percent of moon always illuminated by the sun
12
Path of one body around another
