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Why Do We Have Phases of the Moon?. Good question!. Oh, by the way, what’s a phase?. Phases. The changes in the appearance of the moon’s shape during a month, such as:. Good!. We’ve got that out of the way!. We have phases because the Moon revolves around the Earth. Revolution.
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Good question! Oh, by the way, what’s a phase?
Phases The changes in the appearance of the moon’s shape during a month, such as:
Good! We’ve got that out of the way!
Revolution The circling of one object around another object in space. A planet revolves around the sun. A moon revolves around a planet.
Earth revolves around the Sun. Moon revolves around the Earth.
Rotation - When a planet or moon turns all the way around or spins on its axis one time.
As the Moon revolves around the Earth, we see different amounts of the Moon’s surface in sunlight.
New Term Alert! Waxing – The Moon appears to be getting larger; sunlight seen on the right-hand side.
New Term Alert! Gibbous – Between half and full.
Quick Review! Click here for video.
New Term Alert! Waning – The Moon appears to be getting smaller; sunlight seen on the left-hand side.
Quick Review! Click here for video.
Quick Review! Click here for video.