| A | B |
|---|
| New Moon | occurs when Moon between Earth and Sun |
| waxing | more of illuminated half of Moon can be seen each night |
| waxing crescent | happens about 24 hours after new Moon |
| waxing gibbous | more than 1/4 th of Moon visible |
| full Moon | all of Moon's surface facing Earth reflects light |
| waning | less of Moon illuminated each night |
| solar eclipse | Moon between Earth and Sun |
| lunar eclipse | earth between Moon and Sun |
