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Your question is a bit unclear, so there are two possible answers:

  1. The moon rotates around its axis at pretty much the same rate as it rotates around the Earth, as if you were to walk around a tree sideways, facing the trunk all the time. The result is that we can only see the same half of the moon, at best.
  2. The moon hasn't got any shine of its own, all it can do is to reflect the light coming from the sun. So when the Earth gets in the way between the Moon and the Sun, the moon will end up in Earth's shadow where we can't see it. When the Moon is passing in/out of the Earth's shadow, that's when we get the half moons and all that.
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13y ago

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Related Questions

What determines the portion of the moon that you see at night?

what determines the portion of the moon that you see at night


When the moon waxes the sunlight portion gets?

when the moon waxes, the portion that we can see appears to get bigger, but it actually stays the same.


When the moon is hardly seen what is that called?

That is called a "thin crescent moon." This phase occurs when the illuminated portion of the moon is only a small sliver, making it difficult to see in the sky.


What phase is the moon in when only a small portion of the moon is visible?

crescent


When you see more of the illuminated portion of the Moon today than you did yesterday the Moon is called?

Gibbus moon


Can people only see the part of the moon where the sun is shining on it?

This is essentially correct. When part of the moon is in darkness, we can't see it. Additionally, the same side of the moon faces earth all the time as our satellite is locked in its orbit to constantly face earth. We only see the portion of the moon that is both illuminated by the sun and facing the earth.


Why the moon appears different as it goes through its phase?

The reflection of the light from the sun only hits a certain part of the moon, the unlit portion is nearly invisible from earth. The moon is always 50% illuminated. Our position keeps changing, and so does the portion of the lit-up half that we can see from where we are.


Why do you have a crescent moon?

When you observe a crescent moon it is because only that crescent portion of the moon is illuminated by the sun from your particular perspective, here on Earth. If we were looking at the moon from a different angle in space, we would see different parts of the moon illuminated by the sun.


When you look at the moon and see a waxing crescent from Earth why can't you see the entire side of the moon that is facing you?

During a waxing crescent phase of the moon, the sun is illuminating only a portion of the side that faces Earth, creating the visible crescent shape. The unlit portion that faces Earth is not visible because there is no sunlight reflecting off of it to be seen from our perspective.


Which term do you use when you are seeing more and more of the lighted portion of the moon each night?

When you are seeing more of the lighted portion of the moon each night, the moon is waxing. When the lighted portion is diminishing, it is waning.


Why the half moon is heavier than full moon?

The moon is the moon. How much of the illuminated portion we can see from Earth is completely irrelevant to its mass.


Why can only certain parts of the world see a total eclipse?

The people who see a total eclipse are in the moon's umbra, the darkest part of the shadow where it completely blocks the sun. The moon is much smaller than Earth is, and therefore its shadow is as well. Therefore only a small portion of Earth can be in the moon's shadow at a time.