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It looks wrong, doesn't it? That's because we can't accurately judge the distances involved. Here's a trick. The next time you see the sun and moon in the sky at the same time, go to a place where you are in the sunlight. Hold any ball up in the sunlight, so that the ball blocks your view of the moon, and you will see that the 'phase' of the ball and the phase of the moon will be the same. Light from the sun hits the moon and the earth in virtually the same way. The face of the sun (diameter) is about 865,000 miles across. The moon is only roughly 240,000 miles from the earth. This is similar to shining a flashlight that has a diameter of 3.6 inches onto two specks that are one inch apart. The wash of light from the flashlight is going to hit the specks at the same angle. So the ball's shadow will be the same as the moon's, and it will begin to make sense.

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16y ago

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How much of the moon are you seeing when it appears half lit?

When the moon appears half lit, you are seeing exactly half of its surface. Half of the moon is illuminated by the sun, while the other half is in shadow. This phase is known as the first quarter when the moon is waxing, and the third quarter when the moon is waning.


What is the term for the lit shape of the moon?

The general term for the visible lit part of the moon is "the phase of the moon." The visible lit portion can have a crescent shape, a gibbous shape or a "half-moon" (half circle) shape.


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About a week after the full moon, the moon is called the last quarter moon and it's "face" appears to be half lit. More than half lit is a gibbous and less than half lit is a crescent.


The half of the moon that is lit by sunlight is?

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Is half the moon lighted up by the sun?

yes half the moon is lit up by the sun


Why can you not see the half of the moon that is lit during a waning gibbous?

you can't see the half of the moon that is lit during a waning gibbous because of the position that the moon is in relation to the sun and earth.


What is it called when half the moon is lit up?

It is called "first quarter" or "last quarter" when the moon is exactly half-lit.


Is half of the moon always lit?

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What is a third for quarter?

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What is the amount of the moon that is always lit except during a lunar eclipse?

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What percent of the moon is always lit?

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