Phases
Different shapes or appearances of the moon as seen from Earth during its monthly orbit.
New Moon
The phase of the moon when it’s completely dark and not visible from Earth.
Waxing Crescent
The phase of the moon when only a small sliver of it is visible in the sky, getting bigger each night.
First Quarter Moon
The phase of the moon when exactly half of its face is illuminated by sunlight.
Waxing Gibbous
The phase of the moon when more than half but not all of its face is visible, growing closer to a full moon.
Full Moon
The phase of the moon when its entire face is illuminated and it appears as a complete circle in the sky.
Waning Gibbous
The phase of the moon when more than half but not all of its face is visible, shrinking back from a full moon.
Third Quarter Moon
The phase of the moon when exactly half of its face is illuminated, but the opposite side from the first quarter moon.
Cycle
A series of events that repeat in the same order.



