Moon Phases
Terms
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- Moon Phases
- the changes in appearance of the moon as it orbits earth every 29-1/2 days
- New Moon
- the moon phase when the side facing earth is complletly dark, because the moon is between earth and the sun.
- Waxing
- describes the moon as its visible lightened area grows larger during the lunar circle.
- First Quarter
- the moon phase halfway between new moon and full moon
- Full Moon
- the moon phase when the side facing earth is completely lighted
- Waning
- describes the moon as its visible lighted area grows smaller during the lunar cycle
- Thrid Quarter
- the moon phase halfway between full moon and new moon
- Solar Eclipse
- the passing of the moon dsirectly between earth and the sun.
- Lunar Eclipse
- the passing of earth between the sun and moon
- Maria
- dark,flat rregions of ancient lava on the moon