The Phases of the Moon
The Moon is always half illuminated by the sun. As the moon orbits earth, we see more or less of the illuminated half. Phases of the moon include:
- Full
- Waning Gibbous
- Last Quarter
- Waning Cresent
- New
- Waxing Gibbous
- First Quarter
- Waxing Cresent
For pictures of each phase and a time-lapse movie of a lunar month, visit the U.S. Naval Observatory.
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