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Moon Phases
Phases of the Moon
| Term | Definition |
|---|---|
| New Moon | moon phase during which the side facing Earth cannot be seen because it is not illuminated. |
| Cresent | moon phase during which less than half of the side facing the Earth is illuminated. |
| Gibbous | moon phase during which more than half of the side facing the Earth is illuminated. |
| Full Moon | moon phase when the entire side facing Earth is illuminated. |
| Waxing | the illuminated surface of the Moon as seen from Earth is increasing in size. |
| Waning | the illuminated surface of the Moon as seen from the Earth is decreasing in size. |