New Moon
The side of the moon facing the Earth is not illuminated.
Phases
One of the different apparent shapes of the moon as seen from the Earth
Waxing Crescent
When part of the moon is beginning to show.
First Quarter
During first quarter, 1/2 of the moon is visible from the Earth.
Waxing Gibbous
When most of the moon is visible.
Full Moon
When all of the moon is visible.
Waning Gibbous
We can only see a sliver of the moon
Last Quarter
We can only see 1/2 of the moon
Waning Crescent
We can only see the moon for a small time.
Eclipse
When one object partially or completely blocks another object.
Solar Eclipse
When the moon completely blocks out the suns light.